; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s ; These should be InstSimplify checks, but most of the code ; is currently only in InstCombine. TODO: move supporting code declare void @use(i8) declare void @use_vec(<2 x i8>) ; Definitely out of range define i1 @test_nonzero(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_nonzero( ; CHECK-NEXT: ret i1 true ; %val = load i32, ptr %arg, !range !0 %rval = icmp ne i32 %val, 0 ret i1 %rval } define i1 @test_nonzero2(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_nonzero2( ; CHECK-NEXT: ret i1 false ; %val = load i32, ptr %arg, !range !0 %rval = icmp eq i32 %val, 0 ret i1 %rval } ; Potentially in range define i1 @test_nonzero3(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_nonzero3( ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG0:![0-9]+]] ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: ret i1 [[RVAL]] ; ; Check that this does not trigger - it wouldn't be legal %val = load i32, ptr %arg, !range !1 %rval = icmp ne i32 %val, 0 ret i1 %rval } ; Definitely in range define i1 @test_nonzero4(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_nonzero4( ; CHECK-NEXT: ret i1 false ; %val = load i8, ptr %arg, !range !2 %rval = icmp ne i8 %val, 0 ret i1 %rval } define i1 @test_nonzero5(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_nonzero5( ; CHECK-NEXT: ret i1 false ; %val = load i8, ptr %arg, !range !2 %rval = icmp ugt i8 %val, 0 ret i1 %rval } ; Cheaper checks (most values in range meet requirements) define i1 @test_nonzero6(ptr %argw) { ; CHECK-LABEL: @test_nonzero6( ; CHECK-NEXT: [[VAL:%.*]] = load i8, ptr [[ARGW:%.*]], align 1, !range [[RNG1:![0-9]+]] ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i8 [[VAL]], 0 ; CHECK-NEXT: ret i1 [[RVAL]] ; %val = load i8, ptr %argw, !range !3 %rval = icmp sgt i8 %val, 0 ret i1 %rval } ; Constant not in range, should return true. define i1 @test_not_in_range(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_not_in_range( ; CHECK-NEXT: ret i1 true ; %val = load i32, ptr %arg, !range !0 %rval = icmp ne i32 %val, 6 ret i1 %rval } ; Constant in range, can not fold. define i1 @test_in_range(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_in_range( ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG2:![0-9]+]] ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 3 ; CHECK-NEXT: ret i1 [[RVAL]] ; %val = load i32, ptr %arg, !range !0 %rval = icmp ne i32 %val, 3 ret i1 %rval } ; Values in range greater than constant. define i1 @test_range_sgt_constant(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_range_sgt_constant( ; CHECK-NEXT: ret i1 true ; %val = load i32, ptr %arg, !range !0 %rval = icmp sgt i32 %val, 0 ret i1 %rval } ; Values in range less than constant. define i1 @test_range_slt_constant(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_range_slt_constant( ; CHECK-NEXT: ret i1 false ; %val = load i32, ptr %arg, !range !0 %rval = icmp sgt i32 %val, 6 ret i1 %rval } ; Values in union of multiple sub ranges not equal to constant. define i1 @test_multi_range1(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_multi_range1( ; CHECK-NEXT: ret i1 true ; %val = load i32, ptr %arg, !range !4 %rval = icmp ne i32 %val, 0 ret i1 %rval } ; Values in multiple sub ranges not equal to constant, but in ; union of sub ranges could possibly equal to constant. This ; in theory could also be folded and might be implemented in ; the future if shown profitable in practice. define i1 @test_multi_range2(ptr nocapture readonly %arg) { ; CHECK-LABEL: @test_multi_range2( ; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[ARG:%.*]], align 4, !range [[RNG3:![0-9]+]] ; CHECK-NEXT: [[RVAL:%.*]] = icmp ne i32 [[VAL]], 7 ; CHECK-NEXT: ret i1 [[RVAL]] ; %val = load i32, ptr %arg, !range !4 %rval = icmp ne i32 %val, 7 ret i1 %rval } ; Values' ranges overlap each other, so it can not be simplified. define i1 @test_two_ranges(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { ; CHECK-LABEL: @test_two_ranges( ; CHECK-NEXT: [[VAL1:%.*]] = load i32, ptr [[ARG1:%.*]], align 4, !range [[RNG4:![0-9]+]] ; CHECK-NEXT: [[VAL2:%.*]] = load i32, ptr [[ARG2:%.*]], align 4, !range [[RNG5:![0-9]+]] ; CHECK-NEXT: [[RVAL:%.*]] = icmp ult i32 [[VAL2]], [[VAL1]] ; CHECK-NEXT: ret i1 [[RVAL]] ; %val1 = load i32, ptr %arg1, !range !5 %val2 = load i32, ptr %arg2, !range !6 %rval = icmp ult i32 %val2, %val1 ret i1 %rval } ; Values' ranges do not overlap each other, so it can simplified to false. define i1 @test_two_ranges2(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { ; CHECK-LABEL: @test_two_ranges2( ; CHECK-NEXT: ret i1 false ; %val1 = load i32, ptr %arg1, !range !0 %val2 = load i32, ptr %arg2, !range !6 %rval = icmp ult i32 %val2, %val1 ret i1 %rval } ; Values' ranges do not overlap each other, so it can simplified to true. define i1 @test_two_ranges3(ptr nocapture readonly %arg1, ptr nocapture readonly %arg2) { ; CHECK-LABEL: @test_two_ranges3( ; CHECK-NEXT: ret i1 true ; %val1 = load i32, ptr %arg1, !range !0 %val2 = load i32, ptr %arg2, !range !6 %rval = icmp ugt i32 %val2, %val1 ret i1 %rval } define i1 @ugt_zext(i1 %b, i8 %x) { ; CHECK-LABEL: @ugt_zext( ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], 0 ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 %r = icmp ugt i8 %z, %x ret i1 %r } define <2 x i1> @ult_zext(<2 x i1> %b, <2 x i8> %p) { ; CHECK-LABEL: @ult_zext( ; CHECK-NEXT: [[X:%.*]] = mul <2 x i8> [[P:%.*]], [[P]] ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], zeroinitializer ; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %x = mul <2 x i8> %p, %p ; thwart complexity-based canonicalization %z = zext <2 x i1> %b to <2 x i8> %r = icmp ult <2 x i8> %x, %z ret <2 x i1> %r } ; negative test - need ult/ugt define i1 @uge_zext(i1 %b, i8 %x) { ; CHECK-LABEL: @uge_zext( ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[Z]], [[X:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 %r = icmp uge i8 %z, %x ret i1 %r } ; negative test - need ult/ugt define i1 @ule_zext(i1 %b, i8 %p) { ; CHECK-LABEL: @ule_zext( ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[X]], [[Z]] ; CHECK-NEXT: ret i1 [[R]] ; %x = mul i8 %p, %p ; thwart complexity-based canonicalization %z = zext i1 %b to i8 %r = icmp ule i8 %x, %z ret i1 %r } ; negative test - extra use define i1 @ugt_zext_use(i1 %b, i8 %x) { ; CHECK-LABEL: @ugt_zext_use( ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[Z]]) ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[Z]], [[X:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 call void @use(i8 %z) %r = icmp ugt i8 %z, %x ret i1 %r } ; negative test - must be zext of i1 define i1 @ult_zext_not_i1(i2 %b, i8 %x) { ; CHECK-LABEL: @ult_zext_not_i1( ; CHECK-NEXT: [[Z:%.*]] = zext i2 [[B:%.*]] to i8 ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[Z]], [[X:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i2 %b to i8 %r = icmp ult i8 %x, %z ret i1 %r } ; sub is eliminated define i1 @sub_ult_zext(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ult_zext( ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 %s = sub i8 %x, %y %r = icmp ult i8 %s, %z ret i1 %r } define i1 @zext_ult_zext(i1 %b, i8 %p) { ; CHECK-LABEL: @zext_ult_zext( ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X]], 0 ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %x = mul i8 %p, %p ; thwart complexity-based canonicalization %z = zext i1 %b to i16 %zx = zext i8 %x to i16 %r = icmp ult i16 %zx, %z ret i1 %r } ; match and fold even if both sides are zexts (from different source types) define i1 @zext_ugt_zext(i1 %b, i4 %x) { ; CHECK-LABEL: @zext_ugt_zext( ; CHECK-NEXT: [[ZX:%.*]] = zext i4 [[X:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[ZX]]) ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i4 [[X]], 0 ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 %zx = zext i4 %x to i8 call void @use(i8 %zx) %r = icmp ugt i8 %z, %zx ret i1 %r } ; negative test - must be zext of i1 define i1 @sub_ult_zext_not_i1(i2 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ult_zext_not_i1( ; CHECK-NEXT: [[Z:%.*]] = zext i2 [[B:%.*]] to i8 ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i2 %b to i8 %s = sub i8 %x, %y %r = icmp ult i8 %s, %z ret i1 %r } ; negative test - extra use (but we could try harder to fold this) define i1 @sub_ult_zext_use1(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ult_zext_use1( ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[Z]]) ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 call void @use(i8 %z) %s = sub i8 %x, %y %r = icmp ult i8 %s, %z ret i1 %r } define <2 x i1> @zext_ugt_sub_use2(<2 x i1> %b, <2 x i8> %x, <2 x i8> %y) { ; CHECK-LABEL: @zext_ugt_sub_use2( ; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @use_vec(<2 x i8> [[S]]) ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], [[Y]] ; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %z = zext <2 x i1> %b to <2 x i8> %s = sub <2 x i8> %x, %y call void @use_vec(<2 x i8> %s) %r = icmp ugt <2 x i8> %z, %s ret <2 x i1> %r } define i1 @sub_ult_zext_use3(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ult_zext_use3( ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[Z]]) ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @use(i8 [[S]]) ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[S]], [[Z]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 call void @use(i8 %z) %s = sub i8 %x, %y call void @use(i8 %s) %r = icmp ult i8 %s, %z ret i1 %r } define i1 @sub_ule_zext(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ule_zext( ; CHECK-NEXT: [[Z:%.*]] = zext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[S]], [[Z]] ; CHECK-NEXT: ret i1 [[R]] ; %z = zext i1 %b to i8 %s = sub i8 %x, %y %r = icmp ule i8 %s, %z ret i1 %r } define <2 x i1> @sub_ult_and(<2 x i8> %b, <2 x i8> %x, <2 x i8> %y) { ; CHECK-LABEL: @sub_ult_and( ; CHECK-NEXT: [[A:%.*]] = and <2 x i8> [[B:%.*]], ; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ult <2 x i8> [[S]], [[A]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %a = and <2 x i8> %b, %s = sub <2 x i8> %x, %y %r = icmp ult <2 x i8> %s, %a ret <2 x i1> %r } define i1 @and_ugt_sub(i8 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @and_ugt_sub( ; CHECK-NEXT: [[A:%.*]] = and i8 [[B:%.*]], 1 ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[A]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %a = and i8 %b, 1 %s = sub i8 %x, %y %r = icmp ugt i8 %a, %s ret i1 %r } ; Repeat the zext set of tests with a sext instead. define i1 @uge_sext(i1 %b, i8 %x) { ; CHECK-LABEL: @uge_sext( ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], 0 ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 %r = icmp uge i8 %s, %x ret i1 %r } define <2 x i1> @ule_sext(<2 x i1> %b, <2 x i8> %p) { ; CHECK-LABEL: @ule_sext( ; CHECK-NEXT: [[X:%.*]] = mul <2 x i8> [[P:%.*]], [[P]] ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], zeroinitializer ; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %x = mul <2 x i8> %p, %p ; thwart complexity-based canonicalization %s = sext <2 x i1> %b to <2 x i8> %r = icmp ule <2 x i8> %x, %s ret <2 x i1> %r } ; negative test - need ule/uge define i1 @ugt_sext(i1 %b, i8 %x) { ; CHECK-LABEL: @ugt_sext( ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[R:%.*]] = icmp ugt i8 [[S]], [[X:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 %r = icmp ugt i8 %s, %x ret i1 %r } ; negative test - need ule/uge define i1 @ult_sext(i1 %b, i8 %p) { ; CHECK-LABEL: @ult_sext( ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[X]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %x = mul i8 %p, %p ; thwart complexity-based canonicalization %s = sext i1 %b to i8 %r = icmp ult i8 %x, %s ret i1 %r } ; negative test - extra use define i1 @uge_sext_use(i1 %b, i8 %x) { ; CHECK-LABEL: @uge_sext_use( ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[S]]) ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[S]], [[X:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 call void @use(i8 %s) %r = icmp uge i8 %s, %x ret i1 %r } ; negative test - must be sext of i1 define i1 @ule_sext_not_i1(i2 %b, i8 %x) { ; CHECK-LABEL: @ule_sext_not_i1( ; CHECK-NEXT: [[S:%.*]] = sext i2 [[B:%.*]] to i8 ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[S]], [[X:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i2 %b to i8 %r = icmp ule i8 %x, %s ret i1 %r } ; sub is eliminated define i1 @sub_ule_sext(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ule_sext( ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 %d = sub i8 %x, %y %r = icmp ule i8 %d, %s ret i1 %r } define i1 @sext_ule_sext(i1 %b, i8 %p) { ; CHECK-LABEL: @sext_ule_sext( ; CHECK-NEXT: [[X:%.*]] = mul i8 [[P:%.*]], [[P]] ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[X]], 0 ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %x = mul i8 %p, %p ; thwart complexity-based canonicalization %s = sext i1 %b to i16 %sx = sext i8 %x to i16 %r = icmp ule i16 %sx, %s ret i1 %r } ; match and fold even if both sides are sexts (from different source types) define i1 @sext_uge_sext(i1 %b, i4 %x) { ; CHECK-LABEL: @sext_uge_sext( ; CHECK-NEXT: [[SX:%.*]] = sext i4 [[X:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[SX]]) ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i4 [[X]], 0 ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 %sx = sext i4 %x to i8 call void @use(i8 %sx) %r = icmp uge i8 %s, %sx ret i1 %r } ; negative test - must be sext of i1 define i1 @sub_ule_sext_not_i1(i2 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ule_sext_not_i1( ; CHECK-NEXT: [[S:%.*]] = sext i2 [[B:%.*]] to i8 ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i2 %b to i8 %d = sub i8 %x, %y %r = icmp ule i8 %d, %s ret i1 %r } ; negative test - extra use (but we could try harder to fold this) define i1 @sub_ule_sext_use1(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ule_sext_use1( ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[S]]) ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 call void @use(i8 %s) %d = sub i8 %x, %y %r = icmp ule i8 %d, %s ret i1 %r } define <2 x i1> @sext_uge_sub_use2(<2 x i1> %b, <2 x i8> %x, <2 x i8> %y) { ; CHECK-LABEL: @sext_uge_sub_use2( ; CHECK-NEXT: [[D:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @use_vec(<2 x i8> [[D]]) ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i8> [[X]], [[Y]] ; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %s = sext <2 x i1> %b to <2 x i8> %d = sub <2 x i8> %x, %y call void @use_vec(<2 x i8> %d) %r = icmp uge <2 x i8> %s, %d ret <2 x i1> %r } define i1 @sub_ule_sext_use3(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ule_sext_use3( ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: call void @use(i8 [[S]]) ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: call void @use(i8 [[D]]) ; CHECK-NEXT: [[R:%.*]] = icmp ule i8 [[D]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 call void @use(i8 %s) %d = sub i8 %x, %y call void @use(i8 %d) %r = icmp ule i8 %d, %s ret i1 %r } define i1 @sub_ult_sext(i1 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @sub_ult_sext( ; CHECK-NEXT: [[S:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[D:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ult i8 [[D]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %s = sext i1 %b to i8 %d = sub i8 %x, %y %r = icmp ult i8 %d, %s ret i1 %r } define <2 x i1> @sub_ule_ashr(<2 x i8> %b, <2 x i8> %x, <2 x i8> %y) { ; CHECK-LABEL: @sub_ule_ashr( ; CHECK-NEXT: [[A:%.*]] = ashr <2 x i8> [[B:%.*]], ; CHECK-NEXT: [[S:%.*]] = sub <2 x i8> [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ule <2 x i8> [[S]], [[A]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %a = ashr <2 x i8> %b, %s = sub <2 x i8> %x, %y %r = icmp ule <2 x i8> %s, %a ret <2 x i1> %r } define i1 @ashr_uge_sub(i8 %b, i8 %x, i8 %y) { ; CHECK-LABEL: @ashr_uge_sub( ; CHECK-NEXT: [[A:%.*]] = ashr i8 [[B:%.*]], 7 ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp uge i8 [[A]], [[S]] ; CHECK-NEXT: ret i1 [[R]] ; %a = ashr i8 %b, 7 %s = sub i8 %x, %y %r = icmp uge i8 %a, %s ret i1 %r } ; (zext i1 a) + (sext i1 b)) s< -1 --> false define i1 @zext_sext_add_icmp_slt_minus1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_minus1( ; CHECK-NEXT: ret i1 false ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp slt i8 %add, -1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s> 1 --> false define i1 @zext_sext_add_icmp_sgt_1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_sgt_1( ; CHECK-NEXT: ret i1 false ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp sgt i8 %add, 1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s> -2 --> true define i1 @zext_sext_add_icmp_sgt_minus2(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_sgt_minus2( ; CHECK-NEXT: ret i1 true ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp sgt i8 %add, -2 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s< 2 --> true define i1 @zext_sext_add_icmp_slt_2(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_2( ; CHECK-NEXT: ret i1 true ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp slt i8 %add, 2 ret i1 %r } ; test case with i128 define i1 @zext_sext_add_icmp_i128(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_i128( ; CHECK-NEXT: ret i1 false ; %zext.a = zext i1 %a to i128 %sext.b = sext i1 %b to i128 %add = add i128 %zext.a, %sext.b %r = icmp sgt i128 %add, 9223372036854775808 ret i1 %r } ; (zext i1 a) + (sext i1 b)) == -1 --> ~a & b define i1 @zext_sext_add_icmp_eq_minus1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_eq_minus1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp eq i8 %add, -1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) != -1 --> a | ~b define i1 @zext_sext_add_icmp_ne_minus1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_ne_minus1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp ne i8 %add, -1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s> -1 --> a | ~b define i1 @zext_sext_add_icmp_sgt_minus1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_sgt_minus1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp sgt i8 %add, -1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) u< -1 --> a | ~b define i1 @zext_sext_add_icmp_ult_minus1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_ult_minus1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[A:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp ult i8 %add, -1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s> 0 --> a & ~b define i1 @zext_sext_add_icmp_sgt_0(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_sgt_0( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[A:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp sgt i8 %add, 0 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s< 0 --> ~a & b define i1 @zext_sext_add_icmp_slt_0(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_0( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp slt i8 %add, 0 ret i1 %r } ; (zext i1 a) + (sext i1 b)) == 1 --> a & ~b define i1 @zext_sext_add_icmp_eq_1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_eq_1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[B:%.*]], true ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[A:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp eq i8 %add, 1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) != 1 --> ~a | b define i1 @zext_sext_add_icmp_ne_1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_ne_1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp ne i8 %add, 1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) s< 1 --> ~a | b define i1 @zext_sext_add_icmp_slt_1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[R:%.*]] = or i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp slt i8 %add, 1 ret i1 %r } ; (zext i1 a) + (sext i1 b)) u> 1 --> ~a & b define i1 @zext_sext_add_icmp_ugt_1(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_ugt_1( ; CHECK-NEXT: [[TMP1:%.*]] = xor i1 [[A:%.*]], true ; CHECK-NEXT: [[R:%.*]] = and i1 [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp ugt i8 %add, 1 ret i1 %r } define <2 x i1> @vector_zext_sext_add_icmp_slt_1(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @vector_zext_sext_add_icmp_slt_1( ; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i1> [[A:%.*]], ; CHECK-NEXT: [[R:%.*]] = or <2 x i1> [[TMP1]], [[B:%.*]] ; CHECK-NEXT: ret <2 x i1> [[R]] ; %zext.a = zext <2 x i1> %a to <2 x i8> %sext.b = sext <2 x i1> %b to <2 x i8> %add = add <2 x i8> %zext.a, %sext.b %r = icmp slt <2 x i8> %add, ret <2 x i1> %r } define <2 x i1> @vector_zext_sext_add_icmp_slt_1_poison(<2 x i1> %a, <2 x i1> %b) { ; CHECK-LABEL: @vector_zext_sext_add_icmp_slt_1_poison( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext <2 x i1> [[A:%.*]] to <2 x i8> ; CHECK-NEXT: [[SEXT_B:%.*]] = sext <2 x i1> [[B:%.*]] to <2 x i8> ; CHECK-NEXT: [[ADD:%.*]] = add nsw <2 x i8> [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: [[R:%.*]] = icmp slt <2 x i8> [[ADD]], ; CHECK-NEXT: ret <2 x i1> [[R]] ; %zext.a = zext <2 x i1> %a to <2 x i8> %sext.b = sext <2 x i1> %b to <2 x i8> %add = add <2 x i8> %zext.a, %sext.b %r = icmp slt <2 x i8> %add, ret <2 x i1> %r } define i1 @zext_sext_add_icmp_slt_minus_1_no_oneuse(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_minus_1_no_oneuse( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: call void @use(i8 [[ADD]]) ; CHECK-NEXT: ret i1 false ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b call void @use(i8 %add) %r = icmp slt i8 %add, -1 ret i1 %r } define i1 @zext_sext_add_icmp_sgt_1_no_oneuse(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_sgt_1_no_oneuse( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: call void @use(i8 [[ADD]]) ; CHECK-NEXT: ret i1 false ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b call void @use(i8 %add) %r = icmp sgt i8 %add, 1 ret i1 %r } define i1 @zext_sext_add_icmp_slt_2_no_oneuse(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_2_no_oneuse( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: call void @use(i8 [[ADD]]) ; CHECK-NEXT: ret i1 true ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b call void @use(i8 %add) %r = icmp slt i8 %add, 2 ret i1 %r } define i1 @zext_sext_add_icmp_sgt_mins_2_no_oneuse(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_sgt_mins_2_no_oneuse( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: call void @use(i8 [[ADD]]) ; CHECK-NEXT: ret i1 true ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b call void @use(i8 %add) %r = icmp sgt i8 %add, -2 ret i1 %r } ; Negative test, more than one use for icmp LHS define i1 @zext_sext_add_icmp_slt_1_no_oneuse(i1 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_1_no_oneuse( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: call void @use(i8 [[ADD]]) ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], 1 ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b call void @use(i8 %add) %r = icmp slt i8 %add, 1 ret i1 %r } ; Negative test, icmp RHS is not a constant define i1 @zext_sext_add_icmp_slt_1_rhs_not_const(i1 %a, i1 %b, i8 %c) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_1_rhs_not_const( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i1 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], [[C:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i1 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp slt i8 %add, %c ret i1 %r } ; Negative test, ext source is not i1 define i1 @zext_sext_add_icmp_slt_1_type_not_i1(i2 %a, i1 %b) { ; CHECK-LABEL: @zext_sext_add_icmp_slt_1_type_not_i1( ; CHECK-NEXT: [[ZEXT_A:%.*]] = zext i2 [[A:%.*]] to i8 ; CHECK-NEXT: [[SEXT_B:%.*]] = sext i1 [[B:%.*]] to i8 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i8 [[ZEXT_A]], [[SEXT_B]] ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[ADD]], 1 ; CHECK-NEXT: ret i1 [[R]] ; %zext.a = zext i2 %a to i8 %sext.b = sext i1 %b to i8 %add = add i8 %zext.a, %sext.b %r = icmp slt i8 %add, 1 ret i1 %r } define i1 @icmp_eq_bool_0(ptr %ptr) { ; CHECK-LABEL: @icmp_eq_bool_0( ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6:![0-9]+]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} %cmp = icmp eq i64 %val, 0 ret i1 %cmp } define i1 @icmp_eq_bool_1(ptr %ptr) { ; CHECK-LABEL: @icmp_eq_bool_1( ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[VAL]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} %cmp = icmp eq i64 %val, 1 ret i1 %cmp } define i1 @icmp_ne_bool_0(ptr %ptr) { ; CHECK-LABEL: @icmp_ne_bool_0( ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[VAL]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} %cmp = icmp ne i64 %val, 0 ret i1 %cmp } define i1 @icmp_ne_bool_1(ptr %ptr) { ; CHECK-LABEL: @icmp_ne_bool_1( ; CHECK-NEXT: [[VAL:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !range [[RNG6]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[VAL]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %val = load i64, ptr %ptr, align 8, !range !{i64 0, i64 2} %cmp = icmp ne i64 %val, 1 ret i1 %cmp } ; Tests from PR65073 define i1 @icmp_ne_zext_eq_zero(i32 %a) { ; CHECK-LABEL: @icmp_ne_zext_eq_zero( ; CHECK-NEXT: ret i1 true ; %cmp = icmp eq i32 %a, 0 %conv = zext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_zext_ne_zero(i32 %a) { ; CHECK-LABEL: @icmp_ne_zext_ne_zero( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[A:%.*]], 1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 0 %conv = zext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_zext_eq_zero(i32 %a) { ; CHECK-LABEL: @icmp_eq_zext_eq_zero( ; CHECK-NEXT: ret i1 false ; %cmp = icmp eq i32 %a, 0 %conv = zext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_zext_ne_zero(i32 %a) { ; CHECK-LABEL: @icmp_eq_zext_ne_zero( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[A:%.*]], 2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 0 %conv = zext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_zext_eq_one(i32 %a) { ; CHECK-LABEL: @icmp_ne_zext_eq_one( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[A:%.*]], 1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, 1 %conv = zext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_zext_ne_one(i32 %a) { ; CHECK-LABEL: @icmp_ne_zext_ne_one( ; CHECK-NEXT: ret i1 true ; %cmp = icmp ne i32 %a, 1 %conv = zext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_zext_eq_one(i32 %a) { ; CHECK-LABEL: @icmp_eq_zext_eq_one( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[A:%.*]], 2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, 1 %conv = zext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_zext_ne_one(i32 %a) { ; CHECK-LABEL: @icmp_eq_zext_ne_one( ; CHECK-NEXT: ret i1 false ; %cmp = icmp ne i32 %a, 1 %conv = zext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_zext_eq_non_boolean(i32 %a) { ; CHECK-LABEL: @icmp_ne_zext_eq_non_boolean( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, 2 %conv = zext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_zext_ne_non_boolean(i32 %a) { ; CHECK-LABEL: @icmp_ne_zext_ne_non_boolean( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 2 %conv = zext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_zext_eq_non_boolean(i32 %a) { ; CHECK-LABEL: @icmp_eq_zext_eq_non_boolean( ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, 2 %conv = zext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_zext_ne_non_boolean(i32 %a) { ; CHECK-LABEL: @icmp_eq_zext_ne_non_boolean( ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 2 %conv = zext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define <2 x i1> @icmp_ne_zext_eq_zero_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_zext_eq_zero_vec( ; CHECK-NEXT: ret <2 x i1> ; %cmp = icmp eq <2 x i32> %a, %conv = zext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_zext_ne_zero_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_zext_ne_zero_vec( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i32> [[A:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp = icmp ne <2 x i32> %a, %conv = zext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_zext_eq_one_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_zext_eq_one_vec( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt <2 x i32> [[A:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp = icmp eq <2 x i32> %a, %conv = zext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_zext_ne_one_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_zext_ne_one_vec( ; CHECK-NEXT: ret <2 x i1> ; %cmp = icmp ne <2 x i32> %a, %conv = zext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_zext_eq_non_boolean_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_zext_eq_non_boolean_vec( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp = icmp eq <2 x i32> %a, %conv = zext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define i1 @icmp_ne_sext_eq_zero(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_eq_zero( ; CHECK-NEXT: ret i1 true ; %cmp = icmp eq i32 %a, 0 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_ne_zero(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_zero( ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -1 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], -2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 0 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_sext_eq_zero(i32 %a) { ; CHECK-LABEL: @icmp_eq_sext_eq_zero( ; CHECK-NEXT: ret i1 false ; %cmp = icmp eq i32 %a, 0 %conv = sext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_sext_ne_zero(i32 %a) { ; CHECK-LABEL: @icmp_eq_sext_ne_zero( ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], 1 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], 2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 0 %conv = sext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_eq_allones(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_eq_allones( ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], -1 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], -2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, -1 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_ne_allones(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_allones( ; CHECK-NEXT: ret i1 true ; %cmp = icmp ne i32 %a, -1 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_sext_eq_allones(i32 %a) { ; CHECK-LABEL: @icmp_eq_sext_eq_allones( ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[A:%.*]], 1 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[TMP1]], 2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, -1 %conv = sext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_sext_ne_allones(i32 %a) { ; CHECK-LABEL: @icmp_eq_sext_ne_allones( ; CHECK-NEXT: ret i1 false ; %cmp = icmp ne i32 %a, -1 %conv = sext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_eq_otherwise(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_eq_otherwise( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, 2 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_ne_otherwise(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_otherwise( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 2 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_sext_eq_otherwise(i32 %a) { ; CHECK-LABEL: @icmp_eq_sext_eq_otherwise( ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp eq i32 %a, 2 %conv = sext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_eq_sext_ne_otherwise(i32 %a) { ; CHECK-LABEL: @icmp_eq_sext_ne_otherwise( ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 2 %conv = sext i1 %cmp to i32 %cmp1 = icmp eq i32 %conv, %a ret i1 %cmp1 } define <2 x i1> @icmp_ne_sext_eq_zero_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_sext_eq_zero_vec( ; CHECK-NEXT: ret <2 x i1> ; %cmp = icmp eq <2 x i32> %a, %conv = sext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_sext_ne_zero_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_zero_vec( ; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[TMP1]], ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp = icmp ne <2 x i32> %a, %conv = sext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_sext_eq_allones_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_sext_eq_allones_vec( ; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult <2 x i32> [[TMP1]], ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp = icmp eq <2 x i32> %a, %conv = sext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_sext_ne_allones_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_allones_vec( ; CHECK-NEXT: ret <2 x i1> ; %cmp = icmp ne <2 x i32> %a, %conv = sext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define <2 x i1> @icmp_ne_sext_eq_otherwise_vec(<2 x i32> %a) { ; CHECK-LABEL: @icmp_ne_sext_eq_otherwise_vec( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP1]] ; %cmp = icmp eq <2 x i32> %a, %conv = sext <2 x i1> %cmp to <2 x i32> %cmp1 = icmp ne <2 x i32> %conv, %a ret <2 x i1> %cmp1 } define i1 @icmp_ne_sext_ne_zero_i128(i128 %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_zero_i128( ; CHECK-NEXT: [[TMP1:%.*]] = add i128 [[A:%.*]], -1 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i128 [[TMP1]], -2 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i128 %a, 0 %conv = sext i1 %cmp to i128 %cmp1 = icmp ne i128 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_ne_otherwise_i128(i128 %a) { ; CHECK-LABEL: @icmp_ne_sext_ne_otherwise_i128( ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i128 [[A:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i128 %a, 2 %conv = sext i1 %cmp to i128 %cmp1 = icmp ne i128 %conv, %a ret i1 %cmp1 } ; Negative tests with non-equality predicates define i1 @icmp_ne_sext_sgt_zero_nofold(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_sgt_zero_nofold( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[A:%.*]], 0 ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]] ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp sgt i32 %a, 0 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_slt_sext_ne_zero_nofold(i32 %a) { ; CHECK-LABEL: @icmp_slt_sext_ne_zero_nofold( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], 0 ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]] ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 0 %conv = sext i1 %cmp to i32 %cmp1 = icmp slt i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_slt_allones_nofold(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_slt_allones_nofold( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A:%.*]], -1 ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]] ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp slt i32 %a, -1 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_slt_sext_ne_allones_nofold(i32 %a) { ; CHECK-LABEL: @icmp_slt_sext_ne_allones_nofold( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], -1 ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]] ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, -1 %conv = sext i1 %cmp to i32 %cmp1 = icmp slt i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_ne_sext_slt_otherwise_nofold(i32 %a) { ; CHECK-LABEL: @icmp_ne_sext_slt_otherwise_nofold( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[A:%.*]], 2 ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 ; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[CONV]], [[A]] ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp slt i32 %a, 2 %conv = sext i1 %cmp to i32 %cmp1 = icmp ne i32 %conv, %a ret i1 %cmp1 } define i1 @icmp_slt_sext_ne_otherwise_nofold(i32 %a) { ; CHECK-LABEL: @icmp_slt_sext_ne_otherwise_nofold( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[A:%.*]], 2 ; CHECK-NEXT: [[CONV:%.*]] = sext i1 [[CMP]] to i32 ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[CONV]], [[A]] ; CHECK-NEXT: ret i1 [[CMP1]] ; %cmp = icmp ne i32 %a, 2 %conv = sext i1 %cmp to i32 %cmp1 = icmp slt i32 %conv, %a ret i1 %cmp1 } ; tests from PR59555 define i1 @isFloat(i64 %0) { ; CHECK-LABEL: @isFloat( ; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt i64 [[TMP0:%.*]], 281474976710655 ; CHECK-NEXT: [[TMP3:%.*]] = and i64 [[TMP0]], -281474976710656 ; CHECK-NEXT: [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 281474976710656 ; CHECK-NEXT: [[TMP5:%.*]] = and i1 [[TMP2]], [[TMP4]] ; CHECK-NEXT: ret i1 [[TMP5]] ; %2 = icmp ugt i64 %0, 281474976710655 %3 = and i64 %0, -281474976710656 %4 = icmp ne i64 %3, 281474976710656 %5 = and i1 %2, %4 ret i1 %5 } !0 = !{i32 1, i32 6} !1 = !{i32 0, i32 6} !2 = !{i8 0, i8 1} !3 = !{i8 0, i8 6} !4 = !{i32 1, i32 6, i32 8, i32 10} !5 = !{i32 5, i32 10} !6 = !{i32 8, i32 16}