; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -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(%"struct.std::complex"* 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: [[TMPCAST:%.*]] = bitcast i64* [[REF_TMP]] to %"struct.std::complex"* ; 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(%"struct.std::complex"* nonnull sret(%"struct.std::complex") [[TMPCAST]], i64 [[C_COERCE]]) ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* [[REF_TMP]], align 8 ; CHECK-NEXT: [[_M_VALUE_REALP_I_I:%.*]] = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* [[AGG_RESULT:%.*]], i64 0, i32 0, i32 0 ; 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", %"struct.std::complex"* [[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]], float* [[_M_VALUE_REALP_I_I]], align 4 ; CHECK-NEXT: store float [[MUL_I_I_I]], float* [[_M_VALUE_IMAGP_I_I]], align 4 ; CHECK-NEXT: ret void ; entry: %ref.tmp = alloca i64, align 8 %tmpcast = bitcast i64* %ref.tmp to %"struct.std::complex"* %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(%"struct.std::complex"* nonnull sret(%"struct.std::complex") %tmpcast, i64 %c.coerce) %2 = bitcast %"struct.std::complex"* %agg.result to i64* %3 = load i64, i64* %ref.tmp, align 8 store i64 %3, i64* %2, align 4 %_M_value.realp.i.i = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* %agg.result, i64 0, i32 0, i32 0 %4 = lshr i64 %3, 32 %5 = trunc i64 %4 to i32 %6 = bitcast i32 %5 to float %_M_value.imagp.i.i = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* %agg.result, i64 0, i32 0, i32 1 %7 = trunc i64 %3 to i32 %8 = bitcast i32 %7 to float %mul_ad.i.i = fmul fast float %6, %1 %mul_bc.i.i = fmul fast float %8, %0 %mul_i.i.i = fadd fast float %mul_ad.i.i, %mul_bc.i.i %mul_ac.i.i = fmul fast float %6, %0 %mul_bd.i.i = fmul fast float %8, %1 %mul_r.i.i = fsub fast float %mul_ac.i.i, %mul_bd.i.i store float %mul_r.i.i, float* %_M_value.realp.i.i, align 4 store float %mul_i.i.i, float* %_M_value.imagp.i.i, align 4 ret void } declare void @_Z3barSt7complexIfE(%"struct.std::complex"* sret(%"struct.std::complex"), i64) define void @test1(i32 *%ptr) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR:%.*]] = bitcast i32* [[PTR:%.*]] to i8* ; CHECK-NEXT: [[WPTR:%.*]] = bitcast i32* [[PTR]] to i16* ; CHECK-NEXT: store i16 -30062, i16* [[WPTR]], align 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 3 ; CHECK-NEXT: store i8 47, i8* [[BPTR3]], align 1 ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 1 ; CHECK-NEXT: [[WPTRP:%.*]] = bitcast i8* [[BPTR1]] to i16* ; CHECK-NEXT: store i16 2020, i16* [[WPTRP]], align 1 ; CHECK-NEXT: ret void ; entry: store i32 5, i32* %ptr %bptr = bitcast i32* %ptr to i8* store i8 7, i8* %bptr %wptr = bitcast i32* %ptr to i16* store i16 -30062, i16* %wptr %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 store i8 25, i8* %bptr2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 store i8 47, i8* %bptr3 %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %wptrp = bitcast i8* %bptr1 to i16* store i16 2020, i16* %wptrp, align 1 ret void } define void @test2(i32 *%ptr) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR:%.*]] = bitcast i32* [[PTR:%.*]] to i8* ; CHECK-NEXT: [[BPTRM1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 -1 ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 1 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 3 ; CHECK-NEXT: [[WPTR:%.*]] = bitcast i8* [[BPTR]] to i16* ; CHECK-NEXT: [[WPTRM1:%.*]] = bitcast i8* [[BPTRM1]] to i16* ; CHECK-NEXT: [[WPTR1:%.*]] = bitcast i8* [[BPTR1]] to i16* ; CHECK-NEXT: [[WPTR2:%.*]] = bitcast i8* [[BPTR2]] to i16* ; CHECK-NEXT: [[WPTR3:%.*]] = bitcast i8* [[BPTR3]] to i16* ; CHECK-NEXT: store i16 1456, i16* [[WPTRM1]], align 1 ; CHECK-NEXT: store i16 1346, i16* [[WPTR]], align 1 ; CHECK-NEXT: store i16 1756, i16* [[WPTR1]], align 1 ; CHECK-NEXT: store i16 1126, i16* [[WPTR2]], align 1 ; CHECK-NEXT: store i16 5656, i16* [[WPTR3]], align 1 ; CHECK-NEXT: ret void ; entry: store i32 5, i32* %ptr %bptr = bitcast i32* %ptr to i8* %bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1 %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 %wptr = bitcast i8* %bptr to i16* %wptrm1 = bitcast i8* %bptrm1 to i16* %wptr1 = bitcast i8* %bptr1 to i16* %wptr2 = bitcast i8* %bptr2 to i16* %wptr3 = bitcast i8* %bptr3 to i16* store i16 1456, i16* %wptrm1, align 1 store i16 1346, i16* %wptr, align 1 store i16 1756, i16* %wptr1, align 1 store i16 1126, i16* %wptr2, align 1 store i16 5656, i16* %wptr3, align 1 ret void } define signext i8 @test3(i32 *%ptr) { ; CHECK-LABEL: @test3( ; CHECK-NEXT: entry: ; CHECK-NEXT: store i32 5, i32* [[PTR:%.*]], align 4 ; CHECK-NEXT: [[BPTR:%.*]] = bitcast i32* [[PTR]] to i8* ; CHECK-NEXT: [[BPTRM1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 -1 ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 1 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 3 ; CHECK-NEXT: [[WPTR:%.*]] = bitcast i8* [[BPTR]] to i16* ; CHECK-NEXT: [[WPTRM1:%.*]] = bitcast i8* [[BPTRM1]] to i16* ; CHECK-NEXT: [[WPTR1:%.*]] = bitcast i8* [[BPTR1]] to i16* ; CHECK-NEXT: [[WPTR2:%.*]] = bitcast i8* [[BPTR2]] to i16* ; CHECK-NEXT: [[WPTR3:%.*]] = bitcast i8* [[BPTR3]] to i16* ; CHECK-NEXT: [[V:%.*]] = load i8, i8* [[BPTR]], align 1 ; CHECK-NEXT: store i16 1456, i16* [[WPTRM1]], align 1 ; CHECK-NEXT: store i16 1346, i16* [[WPTR]], align 1 ; CHECK-NEXT: store i16 1756, i16* [[WPTR1]], align 1 ; CHECK-NEXT: store i16 1126, i16* [[WPTR2]], align 1 ; CHECK-NEXT: store i16 5656, i16* [[WPTR3]], align 1 ; CHECK-NEXT: ret i8 [[V]] ; entry: store i32 5, i32* %ptr %bptr = bitcast i32* %ptr to i8* %bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1 %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 %wptr = bitcast i8* %bptr to i16* %wptrm1 = bitcast i8* %bptrm1 to i16* %wptr1 = bitcast i8* %bptr1 to i16* %wptr2 = bitcast i8* %bptr2 to i16* %wptr3 = bitcast i8* %bptr3 to i16* %v = load i8, i8* %bptr, align 1 store i16 1456, i16* %wptrm1, align 1 store i16 1346, i16* %wptr, align 1 store i16 1756, i16* %wptr1, align 1 store i16 1126, i16* %wptr2, align 1 store i16 5656, i16* %wptr3, align 1 ret i8 %v } %struct.foostruct = type { i32 (i8*, i8**, i32, i8, i8*)*, i32 (i8*, i8**, i32, i8, i8*)*, i32 (i8*, i8**, i32, i8, i8*)*, i32 (i8*, i8**, i32, i8, i8*)*, void (i8*, i32, i32)* } declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) declare void @goFunc(%struct.foostruct*) declare i32 @fa(i8*, i8**, i32, i8, i8*) ; 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: [[V2:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], %struct.foostruct* [[BANG]], i64 0, i32 0 ; CHECK-NEXT: store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** [[V2]], align 8 ; CHECK-NEXT: [[V3:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], %struct.foostruct* [[BANG]], i64 0, i32 1 ; CHECK-NEXT: store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** [[V3]], align 8 ; CHECK-NEXT: [[V4:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], %struct.foostruct* [[BANG]], i64 0, i32 2 ; CHECK-NEXT: store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** [[V4]], align 8 ; CHECK-NEXT: [[V5:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], %struct.foostruct* [[BANG]], i64 0, i32 3 ; CHECK-NEXT: store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** [[V5]], align 8 ; CHECK-NEXT: [[V6:%.*]] = getelementptr inbounds [[STRUCT_FOOSTRUCT]], %struct.foostruct* [[BANG]], i64 0, i32 4 ; CHECK-NEXT: store void (i8*, i32, i32)* null, void (i8*, i32, i32)** [[V6]], align 8 ; CHECK-NEXT: call void @goFunc(%struct.foostruct* [[BANG]]) ; CHECK-NEXT: ret void entry: %bang = alloca %struct.foostruct, align 8 %v1 = bitcast %struct.foostruct* %bang to i8* call void @llvm.memset.p0i8.i64(i8* align 8 %v1, i8 0, i64 40, i1 false) %v2 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 0 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v2, align 8 %v3 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 1 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v3, align 8 %v4 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 2 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v4, align 8 %v5 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 3 store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v5, align 8 %v6 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 4 store void (i8*, i32, i32)* null, void (i8*, i32, i32)** %v6, align 8 call void @goFunc(%struct.foostruct* %bang) ret void } define signext i8 @test5(i32 *%ptr) { ; CHECK-LABEL: @test5( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR:%.*]] = bitcast i32* [[PTR:%.*]] to i8* ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 1 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 2 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i8, i8* [[BPTR]], i64 3 ; CHECK-NEXT: [[WPTR:%.*]] = bitcast i8* [[BPTR]] to i16* ; CHECK-NEXT: [[WPTR1:%.*]] = bitcast i8* [[BPTR1]] to i16* ; CHECK-NEXT: [[WPTR2:%.*]] = bitcast i8* [[BPTR2]] to i16* ; CHECK-NEXT: store i16 -1, i16* [[WPTR2]], align 1 ; CHECK-NEXT: store i16 1456, i16* [[WPTR1]], align 1 ; CHECK-NEXT: store i16 1346, i16* [[WPTR]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: store i32 0, i32* %ptr %bptr = bitcast i32* %ptr to i8* %bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1 %bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2 %bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3 %wptr = bitcast i8* %bptr to i16* %wptr1 = bitcast i8* %bptr1 to i16* %wptr2 = bitcast i8* %bptr2 to i16* store i16 65535, i16* %wptr2, align 1 store i16 1456, i16* %wptr1, align 1 store i16 1346, i16* %wptr, align 1 ret i8 0 } define signext i8 @test6(i32 *%ptr) { ; CHECK-LABEL: @test6( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR:%.*]] = bitcast i32* [[PTR:%.*]] to i16* ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i16, i16* [[BPTR]], i64 0 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i16, i16* [[BPTR]], i64 1 ; CHECK-NEXT: store i16 1456, i16* [[BPTR2]], align 1 ; CHECK-NEXT: store i16 -1, i16* [[BPTR1]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: store i32 0, i32* %ptr %bptr = bitcast i32* %ptr to i16* %bptr1 = getelementptr inbounds i16, i16* %bptr, i64 0 %bptr2 = getelementptr inbounds i16, i16* %bptr, i64 1 store i16 1456, i16* %bptr2, align 1 store i16 65535, i16* %bptr1, align 1 ret i8 0 } define signext i8 @test7(i64 *%ptr) { ; CHECK-LABEL: @test7( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[BPTR:%.*]] = bitcast i64* [[PTR:%.*]] to i16* ; CHECK-NEXT: [[BPTR1:%.*]] = getelementptr inbounds i16, i16* [[BPTR]], i64 0 ; CHECK-NEXT: [[BPTR2:%.*]] = getelementptr inbounds i16, i16* [[BPTR]], i64 1 ; CHECK-NEXT: [[BPTR3:%.*]] = getelementptr inbounds i16, i16* [[BPTR]], i64 2 ; CHECK-NEXT: [[BPTR4:%.*]] = getelementptr inbounds i16, i16* [[BPTR]], i64 3 ; CHECK-NEXT: store i16 1346, i16* [[BPTR1]], align 1 ; CHECK-NEXT: store i16 1756, i16* [[BPTR3]], align 1 ; CHECK-NEXT: store i16 1456, i16* [[BPTR2]], align 1 ; CHECK-NEXT: store i16 5656, i16* [[BPTR4]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: store i64 0, i64* %ptr %bptr = bitcast i64* %ptr to i16* %bptr1 = getelementptr inbounds i16, i16* %bptr, i64 0 %bptr2 = getelementptr inbounds i16, i16* %bptr, i64 1 %bptr3 = getelementptr inbounds i16, i16* %bptr, i64 2 %bptr4 = getelementptr inbounds i16, i16* %bptr, i64 3 store i16 1346, i16* %bptr1, align 1 store i16 1756, i16* %bptr3, align 1 store i16 1456, i16* %bptr2, align 1 store i16 5656, i16* %bptr4, align 1 ret i8 0 }