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; RUN: opt -S -dse -enable-dse-partial-store-merging=false < %s | FileCheck %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-bgq-linux"
%"struct.std::complex" = type { { float, float } }
define void @_Z4testSt7complexIfE(%"struct.std::complex"* noalias nocapture sret %agg.result, i64 %c.coerce) {
entry:
; CHECK-LABEL: @_Z4testSt7complexIfE
%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 %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
; CHECK-NOT: store i64
%_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
; CHECK: ret void
}
declare void @_Z3barSt7complexIfE(%"struct.std::complex"* sret, i64)
define void @test1(i32 *%ptr) {
entry:
; CHECK-LABEL: @test1
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
; CHECK-NOT: store i32 5, i32* %ptr
; CHECK-NOT: store i8 7, i8* %bptr
; CHECK: store i16 -30062, i16* %wptr
; CHECK-NOT: store i8 25, i8* %bptr2
; CHECK: store i8 47, i8* %bptr3
; CHECK: store i16 2020, i16* %wptrp, align 1
; CHECK: ret void
}
define void @test2(i32 *%ptr) {
entry:
; CHECK-LABEL: @test2
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
; CHECK-NOT: store i32 5, i32* %ptr
; CHECK: store i16 1456, i16* %wptrm1, align 1
; CHECK: store i16 1346, i16* %wptr, align 1
; CHECK: store i16 1756, i16* %wptr1, align 1
; CHECK: store i16 1126, i16* %wptr2, align 1
; CHECK: store i16 5656, i16* %wptr3, align 1
ret void
; CHECK: ret void
}
define signext i8 @test3(i32 *%ptr) {
entry:
; CHECK-LABEL: @test3
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
; CHECK: store i32 5, i32* %ptr
ret i8 %v
; CHECK: 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*)
define void @test4() {
entry:
; CHECK-LABEL: @test4
%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
; CHECK-NOT: memset
; CHECK: ret void
}
define signext i8 @test5(i32 *%ptr) {
entry:
; CHECK-LABEL: @test5
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
; CHECK-NOT: store i32 0, i32* %ptr
ret i8 0
}
define signext i8 @test6(i32 *%ptr) {
entry:
; CHECK-LABEL: @test6
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
; CHECK-NOT: store i32 0, i32* %ptr
ret i8 0
}
define signext i8 @test7(i64 *%ptr) {
entry:
; CHECK-LABEL: @test7
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
; CHECK-NOT: store i64 0, i64* %ptr
ret i8 0
}
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