forked from OSchip/llvm-project
240 lines
7.3 KiB
LLVM
240 lines
7.3 KiB
LLVM
; RUN: opt -S -dse < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-bgq-linux"
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%"struct.std::complex" = type { { float, float } }
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define void @_Z4testSt7complexIfE(%"struct.std::complex"* noalias nocapture sret %agg.result, i64 %c.coerce) {
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entry:
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; CHECK-LABEL: @_Z4testSt7complexIfE
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%ref.tmp = alloca i64, align 8
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%tmpcast = bitcast i64* %ref.tmp to %"struct.std::complex"*
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%c.sroa.0.0.extract.shift = lshr i64 %c.coerce, 32
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%c.sroa.0.0.extract.trunc = trunc i64 %c.sroa.0.0.extract.shift to i32
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%0 = bitcast i32 %c.sroa.0.0.extract.trunc to float
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%c.sroa.2.0.extract.trunc = trunc i64 %c.coerce to i32
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%1 = bitcast i32 %c.sroa.2.0.extract.trunc to float
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call void @_Z3barSt7complexIfE(%"struct.std::complex"* nonnull sret %tmpcast, i64 %c.coerce)
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%2 = bitcast %"struct.std::complex"* %agg.result to i64*
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%3 = load i64, i64* %ref.tmp, align 8
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store i64 %3, i64* %2, align 4
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; CHECK-NOT: store i64
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%_M_value.realp.i.i = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* %agg.result, i64 0, i32 0, i32 0
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%4 = lshr i64 %3, 32
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%5 = trunc i64 %4 to i32
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%6 = bitcast i32 %5 to float
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%_M_value.imagp.i.i = getelementptr inbounds %"struct.std::complex", %"struct.std::complex"* %agg.result, i64 0, i32 0, i32 1
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%7 = trunc i64 %3 to i32
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%8 = bitcast i32 %7 to float
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%mul_ad.i.i = fmul fast float %6, %1
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%mul_bc.i.i = fmul fast float %8, %0
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%mul_i.i.i = fadd fast float %mul_ad.i.i, %mul_bc.i.i
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%mul_ac.i.i = fmul fast float %6, %0
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%mul_bd.i.i = fmul fast float %8, %1
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%mul_r.i.i = fsub fast float %mul_ac.i.i, %mul_bd.i.i
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store float %mul_r.i.i, float* %_M_value.realp.i.i, align 4
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store float %mul_i.i.i, float* %_M_value.imagp.i.i, align 4
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ret void
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; CHECK: ret void
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}
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declare void @_Z3barSt7complexIfE(%"struct.std::complex"* sret, i64)
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define void @test1(i32 *%ptr) {
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entry:
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; CHECK-LABEL: @test1
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store i32 5, i32* %ptr
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%bptr = bitcast i32* %ptr to i8*
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store i8 7, i8* %bptr
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%wptr = bitcast i32* %ptr to i16*
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store i16 -30062, i16* %wptr
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%bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2
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store i8 25, i8* %bptr2
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%bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3
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store i8 47, i8* %bptr3
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%bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1
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%wptrp = bitcast i8* %bptr1 to i16*
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store i16 2020, i16* %wptrp, align 1
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ret void
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; CHECK-NOT: store i32 5, i32* %ptr
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; CHECK-NOT: store i8 7, i8* %bptr
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; CHECK: store i16 -30062, i16* %wptr
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; CHECK-NOT: store i8 25, i8* %bptr2
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; CHECK: store i8 47, i8* %bptr3
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; CHECK: store i16 2020, i16* %wptrp, align 1
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; CHECK: ret void
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}
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define void @test2(i32 *%ptr) {
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entry:
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; CHECK-LABEL: @test2
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store i32 5, i32* %ptr
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%bptr = bitcast i32* %ptr to i8*
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%bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1
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%bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1
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%bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2
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%bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3
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%wptr = bitcast i8* %bptr to i16*
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%wptrm1 = bitcast i8* %bptrm1 to i16*
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%wptr1 = bitcast i8* %bptr1 to i16*
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%wptr2 = bitcast i8* %bptr2 to i16*
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%wptr3 = bitcast i8* %bptr3 to i16*
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store i16 1456, i16* %wptrm1, align 1
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store i16 1346, i16* %wptr, align 1
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store i16 1756, i16* %wptr1, align 1
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store i16 1126, i16* %wptr2, align 1
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store i16 5656, i16* %wptr3, align 1
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; CHECK-NOT: store i32 5, i32* %ptr
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; CHECK: store i16 1456, i16* %wptrm1, align 1
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; CHECK: store i16 1346, i16* %wptr, align 1
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; CHECK: store i16 1756, i16* %wptr1, align 1
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; CHECK: store i16 1126, i16* %wptr2, align 1
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; CHECK: store i16 5656, i16* %wptr3, align 1
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ret void
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; CHECK: ret void
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}
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define signext i8 @test3(i32 *%ptr) {
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entry:
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; CHECK-LABEL: @test3
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store i32 5, i32* %ptr
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%bptr = bitcast i32* %ptr to i8*
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%bptrm1 = getelementptr inbounds i8, i8* %bptr, i64 -1
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%bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1
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%bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2
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%bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3
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%wptr = bitcast i8* %bptr to i16*
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%wptrm1 = bitcast i8* %bptrm1 to i16*
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%wptr1 = bitcast i8* %bptr1 to i16*
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%wptr2 = bitcast i8* %bptr2 to i16*
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%wptr3 = bitcast i8* %bptr3 to i16*
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%v = load i8, i8* %bptr, align 1
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store i16 1456, i16* %wptrm1, align 1
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store i16 1346, i16* %wptr, align 1
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store i16 1756, i16* %wptr1, align 1
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store i16 1126, i16* %wptr2, align 1
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store i16 5656, i16* %wptr3, align 1
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; CHECK: store i32 5, i32* %ptr
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ret i8 %v
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; CHECK: ret i8 %v
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}
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%struct.foostruct = type {
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i32 (i8*, i8**, i32, i8, i8*)*,
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i32 (i8*, i8**, i32, i8, i8*)*,
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i32 (i8*, i8**, i32, i8, i8*)*,
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i32 (i8*, i8**, i32, i8, i8*)*,
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void (i8*, i32, i32)*
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}
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1)
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declare void @goFunc(%struct.foostruct*)
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declare i32 @fa(i8*, i8**, i32, i8, i8*)
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define void @test4() {
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entry:
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; CHECK-LABEL: @test4
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%bang = alloca %struct.foostruct, align 8
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%v1 = bitcast %struct.foostruct* %bang to i8*
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call void @llvm.memset.p0i8.i64(i8* %v1, i8 0, i64 40, i32 8, i1 false)
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%v2 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 0
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store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v2, align 8
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%v3 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 1
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store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v3, align 8
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%v4 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 2
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store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v4, align 8
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%v5 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 3
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store i32 (i8*, i8**, i32, i8, i8*)* @fa, i32 (i8*, i8**, i32, i8, i8*)** %v5, align 8
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%v6 = getelementptr inbounds %struct.foostruct, %struct.foostruct* %bang, i64 0, i32 4
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store void (i8*, i32, i32)* null, void (i8*, i32, i32)** %v6, align 8
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call void @goFunc(%struct.foostruct* %bang)
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ret void
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; CHECK-NOT: memset
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; CHECK: ret void
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}
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define signext i8 @test5(i32 *%ptr) {
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entry:
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; CHECK-LABEL: @test5
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store i32 0, i32* %ptr
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%bptr = bitcast i32* %ptr to i8*
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%bptr1 = getelementptr inbounds i8, i8* %bptr, i64 1
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%bptr2 = getelementptr inbounds i8, i8* %bptr, i64 2
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%bptr3 = getelementptr inbounds i8, i8* %bptr, i64 3
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%wptr = bitcast i8* %bptr to i16*
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%wptr1 = bitcast i8* %bptr1 to i16*
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%wptr2 = bitcast i8* %bptr2 to i16*
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store i16 65535, i16* %wptr2, align 1
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store i16 1456, i16* %wptr1, align 1
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store i16 1346, i16* %wptr, align 1
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; CHECK-NOT: store i32 0, i32* %ptr
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ret i8 0
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}
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define signext i8 @test6(i32 *%ptr) {
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entry:
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; CHECK-LABEL: @test6
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store i32 0, i32* %ptr
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%bptr = bitcast i32* %ptr to i16*
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%bptr1 = getelementptr inbounds i16, i16* %bptr, i64 0
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%bptr2 = getelementptr inbounds i16, i16* %bptr, i64 1
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store i16 1456, i16* %bptr2, align 1
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store i16 65535, i16* %bptr1, align 1
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; CHECK-NOT: store i32 0, i32* %ptr
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ret i8 0
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}
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define signext i8 @test7(i64 *%ptr) {
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entry:
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; CHECK-LABEL: @test7
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store i64 0, i64* %ptr
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%bptr = bitcast i64* %ptr to i16*
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%bptr1 = getelementptr inbounds i16, i16* %bptr, i64 0
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%bptr2 = getelementptr inbounds i16, i16* %bptr, i64 1
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%bptr3 = getelementptr inbounds i16, i16* %bptr, i64 2
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%bptr4 = getelementptr inbounds i16, i16* %bptr, i64 3
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store i16 1346, i16* %bptr1, align 1
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store i16 1756, i16* %bptr3, align 1
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store i16 1456, i16* %bptr2, align 1
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store i16 5656, i16* %bptr4, align 1
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; CHECK-NOT: store i64 0, i64* %ptr
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ret i8 0
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}
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