; 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
}