; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=dse -enable-dse-partial-store-merging=false < %s | FileCheck --check-prefixes=CHECK %s target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64le-unknown-linux" %"struct.std::complex" = type { { float, float } } define void @_Z4testSt7complexIfE(ptr noalias nocapture sret(%"struct.std::complex") %agg.result, i64 %c.coerce) { ; CHECK-LABEL: @_Z4testSt7complexIfE( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[REF_TMP:%.*]] = alloca i64, align 8 ; CHECK-NEXT: [[C_SROA_0_0_EXTRACT_SHIFT:%.*]] = lshr i64 [[C_COERCE:%.*]], 32 ; CHECK-NEXT: [[C_SROA_0_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[C_SROA_0_0_EXTRACT_SHIFT]] to i32 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32 [[C_SROA_0_0_EXTRACT_TRUNC]] to float ; CHECK-NEXT: [[C_SROA_2_0_EXTRACT_TRUNC:%.*]] = trunc i64 [[C_COERCE]] to i32 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32 [[C_SROA_2_0_EXTRACT_TRUNC]] to float ; CHECK-NEXT: call void @_Z3barSt7complexIfE(ptr nonnull sret(%"struct.std::complex") [[REF_TMP]], i64 [[C_COERCE]]) ; CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[REF_TMP]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = lshr i64 [[TMP2]], 32 ; CHECK-NEXT: [[TMP4:%.*]] = trunc i64 [[TMP3]] to i32 ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32 [[TMP4]] to float ; CHECK-NEXT: [[_M_VALUE_IMAGP_I_I:%.*]] = getelementptr inbounds %"struct.std::complex", ptr [[AGG_RESULT:%.*]], i64 0, i32 0, i32 1 ; CHECK-NEXT: [[TMP6:%.*]] = trunc i64 [[TMP2]] to i32 ; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32 [[TMP6]] to float ; CHECK-NEXT: [[MUL_AD_I_I:%.*]] = fmul fast float [[TMP5]], [[TMP1]] ; CHECK-NEXT: [[MUL_BC_I_I:%.*]] = fmul fast float [[TMP7]], [[TMP0]] ; CHECK-NEXT: [[MUL_I_I_I:%.*]] = fadd fast float [[MUL_AD_I_I]], [[MUL_BC_I_I]] ; CHECK-NEXT: [[MUL_AC_I_I:%.*]] = fmul fast float [[TMP5]], [[TMP0]] ; CHECK-NEXT: [[MUL_BD_I_I:%.*]] = fmul fast float [[TMP7]], [[TMP1]] ; CHECK-NEXT: [[MUL_R_I_I:%.*]] = fsub fast float [[MUL_AC_I_I]], [[MUL_BD_I_I]] ; CHECK-NEXT: store float [[MUL_R_I_I]], ptr [[AGG_RESULT]], align 4 ; CHECK-NEXT: store float [[MUL_I_I_I]], ptr [[_M_VALUE_IMAGP_I_I]], align 4 ; CHECK-NEXT: ret void ; entry: %ref.tmp = alloca i64, align 8 %c.sroa.0.0.extract.shift = lshr i64 %c.coerce, 32 %c.sroa.0.0.extract.trunc = trunc i64 %c.sroa.0.0.extract.shift to i32 %0 = bitcast i32 %c.sroa.0.0.extract.trunc to float %c.sroa.2.0.extract.trunc = trunc i64 %c.coerce to i32 %1 = bitcast i32 %c.sroa.2.0.extract.trunc to float call void @_Z3barSt7complexIfE(ptr nonnull sret(%"struct.std::complex") %ref.tmp, i64 %c.coerce) %2 = load i64, ptr %ref.tmp, align 8 store i64 %2, ptr %agg.result, align 4 %3 = lshr i64 %2, 32 %4 = trunc i64 %3 to i32 %5 = bitcast i32 %4 to float %_M_value.imagp.i.i = getelementptr inbounds %"struct.std::complex", ptr %agg.result, i64 0, i32 0, i32 1 %6 = trunc i64 %2 to i32 %7 = bitcast i32 %6 to float %mul_ad.i.i = fmul fast float %5, %1 %mul_bc.i.i = fmul fast float %7, %0 %mul_i.i.i = fadd fast float %mul_ad.i.i, %mul_bc.i.i %mul_ac.i.i = fmul fast float %5, %0 %mul_bd.i.i = fmul fast float %7, %1 %mul_r.i.i = fsub fast float %mul_ac.i.i, %mul_bd.i.i store float %mul_r.i.i, ptr %agg.result, align 4 store float %mul_i.i.i, ptr %_M_value.imagp.i.i, align 4 ret void } declare void @_Z3barSt7complexIfE(ptr sret(%"struct.std::complex"), i64) define void @test1(ptr %ptr) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: entry: ; CHECK-NEXT: store i16 -30062, ptr [[PTR:%.*]], align 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 3 ; CHECK-NEXT: store i8 47, ptr [[BPTR3]], align 1 ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 1 ; CHECK-NEXT: store i16 2020, ptr [[BPTR1]], align 1 ; CHECK-NEXT: ret void ; entry: store i32 5, ptr %ptr store i8 7, ptr %ptr store i16 -30062, ptr %ptr %bptr2 = getelementptr inbounds i8, ptr %ptr, i64 2 store i8 25, ptr %bptr2 %bptr3 = getelementptr inbounds i8, ptr %ptr, i64 3 store i8 47, ptr %bptr3 %bptr1 = getelementptr inbounds i8, ptr %ptr, i64 1 store i16 2020, ptr %bptr1, align 1 ret void } define void @test2(ptr %ptr) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTRM1:%.*]] = getelementptr inbounds i8, ptr [[PTR:%.*]], i64 -1 ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 1 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 3 ; CHECK-NEXT: store i16 1456, ptr [[BPTRM1]], align 1 ; CHECK-NEXT: store i16 1346, ptr [[PTR]], align 1 ; CHECK-NEXT: store i16 1756, ptr [[BPTR1]], align 1 ; CHECK-NEXT: store i16 1126, ptr [[BPTR2]], align 1 ; CHECK-NEXT: store i16 5656, ptr [[BPTR3]], align 1 ; CHECK-NEXT: ret void ; entry: store i32 5, ptr %ptr %bptrm1 = getelementptr inbounds i8, ptr %ptr, i64 -1 %bptr1 = getelementptr inbounds i8, ptr %ptr, i64 1 %bptr2 = getelementptr inbounds i8, ptr %ptr, i64 2 %bptr3 = getelementptr inbounds i8, ptr %ptr, i64 3 store i16 1456, ptr %bptrm1, align 1 store i16 1346, ptr %ptr, align 1 store i16 1756, ptr %bptr1, align 1 store i16 1126, ptr %bptr2, align 1 store i16 5656, ptr %bptr3, align 1 ret void } define signext i8 @test3(ptr %ptr) { ; CHECK-LABEL: @test3( ; CHECK-NEXT: entry: ; CHECK-NEXT: store i32 5, ptr [[PTR:%.*]], align 4 ; CHECK-NEXT: [[BPTRM1:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 -1 ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 1 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 3 ; CHECK-NEXT: [[V:%.*]] = load i8, ptr [[PTR]], align 1 ; CHECK-NEXT: store i16 1456, ptr [[BPTRM1]], align 1 ; CHECK-NEXT: store i16 1346, ptr [[PTR]], align 1 ; CHECK-NEXT: store i16 1756, ptr [[BPTR1]], align 1 ; CHECK-NEXT: store i16 1126, ptr [[BPTR2]], align 1 ; CHECK-NEXT: store i16 5656, ptr [[BPTR3]], align 1 ; CHECK-NEXT: ret i8 [[V]] ; entry: store i32 5, ptr %ptr %bptrm1 = getelementptr inbounds i8, ptr %ptr, i64 -1 %bptr1 = getelementptr inbounds i8, ptr %ptr, i64 1 %bptr2 = getelementptr inbounds i8, ptr %ptr, i64 2 %bptr3 = getelementptr inbounds i8, ptr %ptr, i64 3 %v = load i8, ptr %ptr, align 1 store i16 1456, ptr %bptrm1, align 1 store i16 1346, ptr %ptr, align 1 store i16 1756, ptr %bptr1, align 1 store i16 1126, ptr %bptr2, align 1 store i16 5656, ptr %bptr3, align 1 ret i8 %v } %struct.foostruct = type { ptr, ptr, ptr, ptr, ptr } declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) declare void @goFunc(ptr) declare i32 @fa(ptr, ptr, i32, i8, ptr) ; We miss this case, because of an aggressive limit of partial overlap analysis. ; With a larger partial store limit, we remove the memset. define void @test4() { ; CHECK-LABEL: @test4( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BANG:%.*]] = alloca [[STRUCT_FOOSTRUCT:%.*]], align 8 ; CHECK-NEXT: store ptr @fa, ptr [[BANG]], align 8 ; CHECK-NEXT: [[V3:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], ptr [[BANG]], i64 0, i32 1 ; CHECK-NEXT: store ptr @fa, ptr [[V3]], align 8 ; CHECK-NEXT: [[V4:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], ptr [[BANG]], i64 0, i32 2 ; CHECK-NEXT: store ptr @fa, ptr [[V4]], align 8 ; CHECK-NEXT: [[V5:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], ptr [[BANG]], i64 0, i32 3 ; CHECK-NEXT: store ptr @fa, ptr [[V5]], align 8 ; CHECK-NEXT: [[V6:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], ptr [[BANG]], i64 0, i32 4 ; CHECK-NEXT: store ptr null, ptr [[V6]], align 8 ; CHECK-NEXT: call void @goFunc(ptr [[BANG]]) ; CHECK-NEXT: ret void entry: %bang = alloca %struct.foostruct, align 8 call void @llvm.memset.p0.i64(ptr align 8 %bang, i8 0, i64 40, i1 false) store ptr @fa, ptr %bang, align 8 %v3 = getelementptr inbounds %struct.foostruct, ptr %bang, i64 0, i32 1 store ptr @fa, ptr %v3, align 8 %v4 = getelementptr inbounds %struct.foostruct, ptr %bang, i64 0, i32 2 store ptr @fa, ptr %v4, align 8 %v5 = getelementptr inbounds %struct.foostruct, ptr %bang, i64 0, i32 3 store ptr @fa, ptr %v5, align 8 %v6 = getelementptr inbounds %struct.foostruct, ptr %bang, i64 0, i32 4 store ptr null, ptr %v6, align 8 call void @goFunc(ptr %bang) ret void } define signext i8 @test5(ptr %ptr) { ; CHECK-LABEL: @test5( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, ptr [[PTR:%.*]], i64 1 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, ptr [[PTR]], i64 3 ; CHECK-NEXT: store i16 -1, ptr [[BPTR2]], align 1 ; CHECK-NEXT: store i16 1456, ptr [[BPTR1]], align 1 ; CHECK-NEXT: store i16 1346, ptr [[PTR]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: store i32 0, ptr %ptr %bptr1 = getelementptr inbounds i8, ptr %ptr, i64 1 %bptr2 = getelementptr inbounds i8, ptr %ptr, i64 2 %bptr3 = getelementptr inbounds i8, ptr %ptr, i64 3 store i16 65535, ptr %bptr2, align 1 store i16 1456, ptr %bptr1, align 1 store i16 1346, ptr %ptr, align 1 ret i8 0 } define signext i8 @test6(ptr %ptr) { ; CHECK-LABEL: @test6( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 1 ; CHECK-NEXT: store i16 1456, ptr [[BPTR2]], align 1 ; CHECK-NEXT: store i16 -1, ptr [[PTR]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: store i32 0, ptr %ptr %bptr2 = getelementptr inbounds i16, ptr %ptr, i64 1 store i16 1456, ptr %bptr2, align 1 store i16 65535, ptr %ptr, align 1 ret i8 0 } define signext i8 @test7(ptr %ptr) { ; CHECK-LABEL: @test7( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 1 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i16, ptr [[PTR]], i64 2 ; CHECK-NEXT: [[BPTR4:%.*]] = getelementptr inbounds i16, ptr [[PTR]], i64 3 ; CHECK-NEXT: store i16 1346, ptr [[PTR]], align 1 ; CHECK-NEXT: store i16 1756, ptr [[BPTR3]], align 1 ; CHECK-NEXT: store i16 1456, ptr [[BPTR2]], align 1 ; CHECK-NEXT: store i16 5656, ptr [[BPTR4]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: store i64 0, ptr %ptr %bptr2 = getelementptr inbounds i16, ptr %ptr, i64 1 %bptr3 = getelementptr inbounds i16, ptr %ptr, i64 2 %bptr4 = getelementptr inbounds i16, ptr %ptr, i64 3 store i16 1346, ptr %ptr, align 1 store i16 1756, ptr %bptr3, align 1 store i16 1456, ptr %bptr2, align 1 store i16 5656, ptr %bptr4, align 1 ret i8 0 }