; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s declare i16 @llvm.bswap.i16(i16) declare i32 @llvm.bswap.i32(i32) declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>) declare i32 @llvm.cttz.i32(i32, i1) declare i33 @llvm.cttz.i33(i33, i1) declare i32 @llvm.ctlz.i32(i32, i1) declare i8 @llvm.umax.i8(i8, i8) declare i8 @llvm.uadd.sat.i8(i8, i8) declare i8 @llvm.ssub.sat.i8(i8, i8) declare i33 @llvm.ctlz.i33(i33, i1) declare i8 @llvm.ctpop.i8(i8) declare i11 @llvm.ctpop.i11(i11) declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1) declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>) declare i8 @llvm.bitreverse.i8(i8) declare <2 x i8> @llvm.bitreverse.v2i8(<2 x i8>) declare void @use6(i6) declare void @use8(i8) define i1 @bswap_eq_i16(i16 %x) { ; CHECK-LABEL: @bswap_eq_i16( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i16 [[X:%.*]], 256 ; CHECK-NEXT: ret i1 [[CMP]] ; %bs = call i16 @llvm.bswap.i16(i16 %x) %cmp = icmp eq i16 %bs, 1 ret i1 %cmp } define i1 @bswap_ne_i32(i32 %x) { ; CHECK-LABEL: @bswap_ne_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[X:%.*]], 33554432 ; CHECK-NEXT: ret i1 [[CMP]] ; %bs = tail call i32 @llvm.bswap.i32(i32 %x) %cmp = icmp ne i32 %bs, 2 ret i1 %cmp } define <2 x i1> @bswap_eq_v2i64(<2 x i64> %x) { ; CHECK-LABEL: @bswap_eq_v2i64( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i64> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %bs = tail call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %x) %cmp = icmp eq <2 x i64> %bs, ret <2 x i1> %cmp } define i1 @ctlz_eq_bitwidth_i32(i32 %x) { ; CHECK-LABEL: @ctlz_eq_bitwidth_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp eq i32 %lz, 32 ret i1 %cmp } define i1 @ctlz_eq_zero_i32(i32 %x) { ; CHECK-LABEL: @ctlz_eq_zero_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp eq i32 %lz, 0 ret i1 %cmp } define <2 x i1> @ctlz_ne_zero_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @ctlz_ne_zero_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt <2 x i32> [[A:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, zeroinitializer ret <2 x i1> %cmp } define i1 @ctlz_eq_bw_minus_1_i32(i32 %x) { ; CHECK-LABEL: @ctlz_eq_bw_minus_1_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 1 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp eq i32 %lz, 31 ret i1 %cmp } define <2 x i1> @ctlz_ne_bw_minus_1_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @ctlz_ne_bw_minus_1_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[A:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, ret <2 x i1> %cmp } define i1 @ctlz_eq_other_i32(i32 %x) { ; CHECK-LABEL: @ctlz_eq_other_i32( ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[X:%.*]], -128 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP1]], 128 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp eq i32 %lz, 24 ret i1 %cmp } define <2 x i1> @ctlz_ne_other_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @ctlz_ne_other_v2i32( ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[TMP1]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, ret <2 x i1> %cmp } define i1 @ctlz_eq_other_i32_multiuse(i32 %x, ptr %p) { ; CHECK-LABEL: @ctlz_eq_other_i32_multiuse( ; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0:![0-9]+]] ; CHECK-NEXT: store i32 [[LZ]], ptr [[P:%.*]], align 4 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[LZ]], 24 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) store i32 %lz, ptr %p %cmp = icmp eq i32 %lz, 24 ret i1 %cmp } define <2 x i1> @ctlz_ne_bitwidth_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @ctlz_ne_bitwidth_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[A:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, ret <2 x i1> %cmp } define i1 @ctlz_ugt_zero_i32(i32 %x) { ; CHECK-LABEL: @ctlz_ugt_zero_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp ugt i32 %lz, 0 ret i1 %cmp } define i1 @ctlz_ugt_one_i32(i32 %x) { ; CHECK-LABEL: @ctlz_ugt_one_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 1073741824 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp ugt i32 %lz, 1 ret i1 %cmp } define i1 @ctlz_ugt_other_i32(i32 %x) { ; CHECK-LABEL: @ctlz_ugt_other_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 32768 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp ugt i32 %lz, 16 ret i1 %cmp } define i1 @ctlz_ugt_other_multiuse_i32(i32 %x, ptr %p) { ; CHECK-LABEL: @ctlz_ugt_other_multiuse_i32( ; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: store i32 [[LZ]], ptr [[P:%.*]], align 4 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X]], 32768 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) store i32 %lz, ptr %p %cmp = icmp ugt i32 %lz, 16 ret i1 %cmp } define i1 @ctlz_ugt_bw_minus_one_i32(i32 %x) { ; CHECK-LABEL: @ctlz_ugt_bw_minus_one_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %cmp = icmp ugt i32 %lz, 31 ret i1 %cmp } define <2 x i1> @ctlz_ult_one_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctlz_ult_one_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %lz, ret <2 x i1> %cmp } define <2 x i1> @ctlz_ult_other_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctlz_ult_other_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %lz, ret <2 x i1> %cmp } define <2 x i1> @ctlz_ult_other_multiuse_v2i32(<2 x i32> %x, ptr %p) { ; CHECK-LABEL: @ctlz_ult_other_multiuse_v2i32( ; CHECK-NEXT: [[LZ:%.*]] = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: store <2 x i32> [[LZ]], ptr [[P:%.*]], align 8 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[X]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false) store <2 x i32> %lz, ptr %p %cmp = icmp ult <2 x i32> %lz, ret <2 x i1> %cmp } define <2 x i1> @ctlz_ult_bw_minus_one_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctlz_ult_bw_minus_one_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt <2 x i32> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %lz, ret <2 x i1> %cmp } define <2 x i1> @ctlz_ult_bitwidth_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctlz_ult_bitwidth_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[X:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %lz, ret <2 x i1> %cmp } define i1 @cttz_ne_bitwidth_i33(i33 %x) { ; CHECK-LABEL: @cttz_ne_bitwidth_i33( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp ne i33 %tz, 33 ret i1 %cmp } define <2 x i1> @cttz_eq_bitwidth_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @cttz_eq_bitwidth_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[A:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp eq <2 x i32> %x, ret <2 x i1> %cmp } define i1 @cttz_eq_zero_i33(i33 %x) { ; CHECK-LABEL: @cttz_eq_zero_i33( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp eq i33 %tz, 0 ret i1 %cmp } define <2 x i1> @cttz_ne_zero_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @cttz_ne_zero_v2i32( ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[TMP1]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, zeroinitializer ret <2 x i1> %cmp } define i1 @cttz_eq_bw_minus_1_i33(i33 %x) { ; CHECK-LABEL: @cttz_eq_bw_minus_1_i33( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[X:%.*]], -4294967296 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp eq i33 %tz, 32 ret i1 %cmp } define <2 x i1> @cttz_ne_bw_minus_1_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @cttz_ne_bw_minus_1_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[A:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, ret <2 x i1> %cmp } define i1 @cttz_eq_other_i33(i33 %x) { ; CHECK-LABEL: @cttz_eq_other_i33( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 31 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 16 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp eq i33 %tz, 4 ret i1 %cmp } define <2 x i1> @cttz_ne_other_v2i32(<2 x i32> %a) { ; CHECK-LABEL: @cttz_ne_other_v2i32( ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[TMP1]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %a, i1 false) %cmp = icmp ne <2 x i32> %x, ret <2 x i1> %cmp } define i1 @cttz_eq_other_i33_multiuse(i33 %x, ptr %p) { ; CHECK-LABEL: @cttz_eq_other_i33_multiuse( ; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range [[RNG1:![0-9]+]] ; CHECK-NEXT: store i33 [[TZ]], ptr [[P:%.*]], align 4 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TZ]], 4 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) store i33 %tz, ptr %p %cmp = icmp eq i33 %tz, 4 ret i1 %cmp } define i1 @cttz_ugt_zero_i33(i33 %x) { ; CHECK-LABEL: @cttz_ugt_zero_i33( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp ugt i33 %tz, 0 ret i1 %cmp } define i1 @cttz_ugt_one_i33(i33 %x) { ; CHECK-LABEL: @cttz_ugt_one_i33( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 3 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp ugt i33 %tz, 1 ret i1 %cmp } define i1 @cttz_ugt_other_i33(i33 %x) { ; CHECK-LABEL: @cttz_ugt_other_i33( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 131071 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp ugt i33 %tz, 16 ret i1 %cmp } define i1 @cttz_ugt_other_multiuse_i33(i33 %x, ptr %p) { ; CHECK-LABEL: @cttz_ugt_other_multiuse_i33( ; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range [[RNG1]] ; CHECK-NEXT: store i33 [[TZ]], ptr [[P:%.*]], align 4 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[TZ]], 16 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) store i33 %tz, ptr %p %cmp = icmp ugt i33 %tz, 16 ret i1 %cmp } define i1 @cttz_ugt_bw_minus_one_i33(i33 %x) { ; CHECK-LABEL: @cttz_ugt_bw_minus_one_i33( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %cmp = icmp ugt i33 %tz, 32 ret i1 %cmp } define <2 x i1> @cttz_ult_one_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @cttz_ult_one_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = trunc <2 x i32> [[X:%.*]] to <2 x i1> ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %tz, ret <2 x i1> %cmp } define <2 x i1> @cttz_ult_other_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @cttz_ult_other_v2i32( ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[TMP1]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %tz, ret <2 x i1> %cmp } define <2 x i1> @cttz_ult_other_multiuse_v2i32(<2 x i32> %x, ptr %p) { ; CHECK-LABEL: @cttz_ult_other_multiuse_v2i32( ; CHECK-NEXT: [[TZ:%.*]] = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: store <2 x i32> [[TZ]], ptr [[P:%.*]], align 8 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[TZ]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false) store <2 x i32> %tz, ptr %p %cmp = icmp ult <2 x i32> %tz, ret <2 x i1> %cmp } define <2 x i1> @cttz_ult_bw_minus_one_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @cttz_ult_bw_minus_one_v2i32( ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[TMP1]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %tz, ret <2 x i1> %cmp } define <2 x i1> @cttz_ult_bitwidth_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @cttz_ult_bitwidth_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[X:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false) %cmp = icmp ult <2 x i32> %tz, ret <2 x i1> %cmp } define i1 @ctpop_eq_zero_i11(i11 %x) { ; CHECK-LABEL: @ctpop_eq_zero_i11( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i11 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %pop = tail call i11 @llvm.ctpop.i11(i11 %x) %cmp = icmp eq i11 %pop, 0 ret i1 %cmp } define <2 x i1> @ctpop_ne_zero_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_ne_zero_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[X:%.*]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %pop = tail call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %x) %cmp = icmp ne <2 x i32> %pop, zeroinitializer ret <2 x i1> %cmp } define i1 @ctpop_eq_bitwidth_i8(i8 %x) { ; CHECK-LABEL: @ctpop_eq_bitwidth_i8( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP]] ; %pop = tail call i8 @llvm.ctpop.i8(i8 %x) %cmp = icmp eq i8 %pop, 8 ret i1 %cmp } define <2 x i1> @ctpop_ne_bitwidth_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_ne_bitwidth_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %pop = tail call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %x) %cmp = icmp ne <2 x i32> %pop, ret <2 x i1> %cmp } define i1 @ctpop_ugt_bitwidth_minus_one_i8(i8 %x, ptr %p) { ; CHECK-LABEL: @ctpop_ugt_bitwidth_minus_one_i8( ; CHECK-NEXT: [[POP:%.*]] = tail call i8 @llvm.ctpop.i8(i8 [[X:%.*]]), !range [[RNG2:![0-9]+]] ; CHECK-NEXT: store i8 [[POP]], ptr [[P:%.*]], align 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X]], -1 ; CHECK-NEXT: ret i1 [[CMP]] ; %pop = tail call i8 @llvm.ctpop.i8(i8 %x) store i8 %pop, ptr %p %cmp = icmp ugt i8 %pop, 7 ret i1 %cmp } define <2 x i1> @ctpop_ult_bitwidth_v2i32(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_ult_bitwidth_v2i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %pop = tail call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %x) %cmp = icmp ult <2 x i32> %pop, ret <2 x i1> %cmp } define i1 @trunc_cttz_eq_other_i33_i15(i33 %x) { ; CHECK-LABEL: @trunc_cttz_eq_other_i33_i15( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 31 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 16 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %trunc = trunc i33 %tz to i15 %cmp = icmp eq i15 %trunc, 4 ret i1 %cmp } define i1 @trunc_cttz_ugt_other_i33_i15(i33 %x) { ; CHECK-LABEL: @trunc_cttz_ugt_other_i33_i15( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 15 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %trunc = trunc i33 %tz to i15 %cmp = icmp ugt i15 %trunc, 3 ret i1 %cmp } define i1 @trunc_cttz_ult_other_i33_i6(i33 %x) { ; CHECK-LABEL: @trunc_cttz_ult_other_i33_i6( ; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 127 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 true) %trunc = trunc i33 %tz to i6 %cmp = icmp ult i6 %trunc, 7 ret i1 %cmp } ; negative case: log2(33 - is_zero_poison ? 1 : 0) + 1 > 5 define i1 @trunc_cttz_ult_other_i33_i5(i33 %x) { ; CHECK-LABEL: @trunc_cttz_ult_other_i33_i5( ; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 true), !range [[RNG1]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i33 [[TZ]] to i5 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i5 [[TRUNC]], 7 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 true) %trunc = trunc i33 %tz to i5 %cmp = icmp ult i5 %trunc, 7 ret i1 %cmp } define i1 @trunc_cttz_true_ult_other_i32_i5(i32 %x) { ; CHECK-LABEL: @trunc_cttz_true_ult_other_i32_i5( ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[X:%.*]], 127 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i32 @llvm.cttz.i32(i32 %x, i1 true) %trunc = trunc i32 %tz to i5 %cmp = icmp ult i5 %trunc, 7 ret i1 %cmp } ; negative case, is_zero_poison == false && log2(src bitwidth) == dest bitwidth define i1 @trunc_cttz_false_ult_other_i32_i5(i32 %x) { ; CHECK-LABEL: @trunc_cttz_false_ult_other_i32_i5( ; CHECK-NEXT: [[TZ:%.*]] = tail call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[TZ]] to i5 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i5 [[TRUNC]], 7 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i32 @llvm.cttz.i32(i32 %x, i1 false) %trunc = trunc i32 %tz to i5 %cmp = icmp ult i5 %trunc, 7 ret i1 %cmp } define i1 @trunc_cttz_false_ult_other_i32_i6(i32 %x) { ; CHECK-LABEL: @trunc_cttz_false_ult_other_i32_i6( ; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[X:%.*]], 127 ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i32 @llvm.cttz.i32(i32 %x, i1 false) %trunc = trunc i32 %tz to i6 %cmp = icmp ult i6 %trunc, 7 ret i1 %cmp } ; negative case, trunc is not one use define i1 @trunc_cttz_false_ult_other_i32_i6_extra_use(i32 %x) { ; CHECK-LABEL: @trunc_cttz_false_ult_other_i32_i6_extra_use( ; CHECK-NEXT: [[TZ:%.*]] = tail call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[TZ]] to i6 ; CHECK-NEXT: call void @use6(i6 [[TRUNC]]) ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i6 [[TRUNC]], 7 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i32 @llvm.cttz.i32(i32 %x, i1 false) %trunc = trunc i32 %tz to i6 call void @use6(i6 %trunc) %cmp = icmp ult i6 %trunc, 7 ret i1 %cmp } define i1 @trunc_ctlz_ugt_zero_i32(i32 %x) { ; CHECK-LABEL: @trunc_ctlz_ugt_zero_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %trunc = trunc i32 %lz to i15 %cmp = icmp ugt i15 %trunc, 0 ret i1 %cmp } define i1 @trunc_ctlz_ugt_one_i32(i32 %x) { ; CHECK-LABEL: @trunc_ctlz_ugt_one_i32( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 1073741824 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %trunc = trunc i32 %lz to i15 %cmp = icmp ugt i15 %trunc, 1 ret i1 %cmp } define i1 @trunc_ctlz_ugt_other_i33_i6(i33 %x) { ; CHECK-LABEL: @trunc_ctlz_ugt_other_i33_i6( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[X:%.*]], 268435456 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i33 @llvm.ctlz.i33(i33 %x, i1 true) %trunc = trunc i33 %lz to i6 %cmp = icmp ugt i6 %trunc, 4 ret i1 %cmp } ; negative case: log2(33 - is_zero_poison ? 1 : 0) + 1 > 5 define i1 @trunc_ctlz_ugt_other_i33_i5(i33 %x) { ; CHECK-LABEL: @trunc_ctlz_ugt_other_i33_i5( ; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.ctlz.i33(i33 [[X:%.*]], i1 true), !range [[RNG1]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i33 [[LZ]] to i5 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i5 [[TRUNC]], 4 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i33 @llvm.ctlz.i33(i33 %x, i1 true) %trunc = trunc i33 %lz to i5 %cmp = icmp ugt i5 %trunc, 4 ret i1 %cmp } define i1 @trunc_ctlz_true_ugt_other_i32_i5(i32 %x) { ; CHECK-LABEL: @trunc_ctlz_true_ugt_other_i32_i5( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 134217728 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 true) %trunc = trunc i32 %lz to i5 %cmp = icmp ugt i5 %trunc, 4 ret i1 %cmp } ; negative case, is_zero_poison == false && log2(src bitwidth) == dest bitwidth define i1 @trunc_ctlz_false_ugt_other_i32_i5(i32 %x) { ; CHECK-LABEL: @trunc_ctlz_false_ugt_other_i32_i5( ; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[LZ]] to i5 ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i5 [[TRUNC]], 4 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %trunc = trunc i32 %lz to i5 %cmp = icmp ugt i5 %trunc, 4 ret i1 %cmp } define i1 @trunc_ctlz_false_ugt_other_i32_i6(i32 %x) { ; CHECK-LABEL: @trunc_ctlz_false_ugt_other_i32_i6( ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[X:%.*]], 134217728 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %trunc = trunc i32 %lz to i6 %cmp = icmp ugt i6 %trunc, 4 ret i1 %cmp } ; negative case, trunc is not one use define i1 @trunc_ctlz_false_ugt_other_i32_i6_extra_use(i32 %x) { ; CHECK-LABEL: @trunc_ctlz_false_ugt_other_i32_i6_extra_use( ; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range [[RNG0]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i32 [[LZ]] to i6 ; CHECK-NEXT: call void @use6(i6 [[TRUNC]]) ; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i6 [[TRUNC]], 4 ; CHECK-NEXT: ret i1 [[CMP]] ; %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false) %trunc = trunc i32 %lz to i6 call void @use6(i6 %trunc) %cmp = icmp ugt i6 %trunc, 4 ret i1 %cmp } define i1 @trunc_ctpop_eq_zero_i11(i11 %x) { ; CHECK-LABEL: @trunc_ctpop_eq_zero_i11( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i11 [[X:%.*]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %pop = tail call i11 @llvm.ctpop.i11(i11 %x) %trunc = trunc i11 %pop to i5 %cmp = icmp eq i5 %trunc, 0 ret i1 %cmp } define i1 @trunc_ctpop_eq_bitwidth_i8(i8 %x) { ; CHECK-LABEL: @trunc_ctpop_eq_bitwidth_i8( ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], -1 ; CHECK-NEXT: ret i1 [[CMP]] ; %pop = tail call i8 @llvm.ctpop.i8(i8 %x) %trunc = trunc i8 %pop to i5 %cmp = icmp eq i5 %trunc, 8 ret i1 %cmp } ; negative case: log2(33) + 1 > 4 define i1 @trunc_negative_destbits_not_enough(i33 %x) { ; CHECK-LABEL: @trunc_negative_destbits_not_enough( ; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range [[RNG1]] ; CHECK-NEXT: [[TRUNC:%.*]] = trunc i33 [[TZ]] to i4 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i4 [[TRUNC]], 7 ; CHECK-NEXT: ret i1 [[CMP]] ; %tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false) %trunc = trunc i33 %tz to i4 %cmp = icmp ult i4 %trunc, 7 ret i1 %cmp } define i1 @bitreverse_ne_22(i8 %x) { ; CHECK-LABEL: @bitreverse_ne_22( ; CHECK-NEXT: [[Z:%.*]] = icmp ne i8 [[X:%.*]], 104 ; CHECK-NEXT: ret i1 [[Z]] ; %y = call i8 @llvm.bitreverse.i8(i8 %x) %z = icmp ne i8 %y, 22 ret i1 %z } define i1 @bitreverse_ult_22_fail_not_equality_pred(i8 %x) { ; CHECK-LABEL: @bitreverse_ult_22_fail_not_equality_pred( ; CHECK-NEXT: [[Y:%.*]] = call i8 @llvm.bitreverse.i8(i8 [[X:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = icmp ult i8 [[Y]], 22 ; CHECK-NEXT: ret i1 [[Z]] ; %y = call i8 @llvm.bitreverse.i8(i8 %x) %z = icmp ult i8 %y, 22 ret i1 %z } define <2 x i1> @bitreverse_vec_eq_2_2(<2 x i8> %x) { ; CHECK-LABEL: @bitreverse_vec_eq_2_2( ; CHECK-NEXT: [[Z:%.*]] = icmp eq <2 x i8> [[X:%.*]], ; CHECK-NEXT: ret <2 x i1> [[Z]] ; %y = call <2 x i8> @llvm.bitreverse.v2i8(<2 x i8> %x) %z = icmp eq <2 x i8> %y, ret <2 x i1> %z } define <2 x i1> @bitreverse_vec_eq_1_2_todo_no_splat(<2 x i8> %x) { ; CHECK-LABEL: @bitreverse_vec_eq_1_2_todo_no_splat( ; CHECK-NEXT: [[Y:%.*]] = call <2 x i8> @llvm.bitreverse.v2i8(<2 x i8> [[X:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = icmp eq <2 x i8> [[Y]], ; CHECK-NEXT: ret <2 x i1> [[Z]] ; %y = call <2 x i8> @llvm.bitreverse.v2i8(<2 x i8> %x) %z = icmp eq <2 x i8> %y, ret <2 x i1> %z } define i1 @umax_eq_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @umax_eq_zero( ; CHECK-NEXT: [[TMP1:%.*]] = or i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.umax.i8(i8 %x, i8 %y) %r = icmp eq i8 %m, 0 ret i1 %r } define i1 @umax_eq_1_fail(i8 %x, i8 %y) { ; CHECK-LABEL: @umax_eq_1_fail( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[M]], 1 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.umax.i8(i8 %x, i8 %y) %r = icmp eq i8 %m, 1 ret i1 %r } define i1 @umax_sle_zero_fail(i8 %x, i8 %y) { ; CHECK-LABEL: @umax_sle_zero_fail( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[M]], 1 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.umax.i8(i8 %x, i8 %y) %r = icmp sle i8 %m, 0 ret i1 %r } define i1 @umax_ne_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @umax_ne_zero( ; CHECK-NEXT: [[TMP1:%.*]] = or i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[TMP1]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.umax.i8(i8 %x, i8 %y) %r = icmp ne i8 %m, 0 ret i1 %r } define i1 @umax_ne_zero_fail_multiuse(i8 %x, i8 %y) { ; CHECK-LABEL: @umax_ne_zero_fail_multiuse( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: call void @use8(i8 [[M]]) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[M]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.umax.i8(i8 %x, i8 %y) call void @use8(i8 %m) %r = icmp ne i8 %m, 0 ret i1 %r } define i1 @uadd_sat_ne_zero_fail_multiuse(i8 %x, i8 %y) { ; CHECK-LABEL: @uadd_sat_ne_zero_fail_multiuse( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.uadd.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: call void @use8(i8 [[M]]) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[M]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %y) call void @use8(i8 %m) %r = icmp ne i8 %m, 0 ret i1 %r } define i1 @ssub_sat_ne_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_ne_zero( ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp ne i8 %m, 0 ret i1 %r } define i1 @ssub_sat_ne_fail_nonzero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_ne_fail_nonzero( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp ne i8 [[M]], 4 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp ne i8 %m, 4 ret i1 %r } define i1 @ssub_sat_eq_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_eq_zero( ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp eq i8 %m, 0 ret i1 %r } define i1 @ssub_sat_sle_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_sle_zero( ; CHECK-NEXT: [[R:%.*]] = icmp sle i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp sle i8 %m, 0 ret i1 %r } define i1 @ssub_sat_sge_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_sge_zero( ; CHECK-NEXT: [[R:%.*]] = icmp sge i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp sge i8 %m, 0 ret i1 %r } define i1 @ssub_sat_slt_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_slt_zero( ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp slt i8 %m, 0 ret i1 %r } define i1 @ssub_sat_slt_neg1_fail(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_slt_neg1_fail( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp slt i8 [[M]], -1 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp slt i8 %m, -1 ret i1 %r } define i1 @ssub_sat_sgt_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_sgt_zero( ; CHECK-NEXT: [[R:%.*]] = icmp sgt i8 [[X:%.*]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp sgt i8 %m, 0 ret i1 %r } define i1 @ssub_sat_sgt_one_fail(i8 %x, i8 %y) { ; CHECK-LABEL: @ssub_sat_sgt_one_fail( ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[R:%.*]] = icmp sgt i8 [[M]], 1 ; CHECK-NEXT: ret i1 [[R]] ; %m = call i8 @llvm.ssub.sat.i8(i8 %x, i8 %y) %r = icmp sgt i8 %m, 1 ret i1 %r }