forked from OSchip/llvm-project
97 lines
6.0 KiB
LLVM
97 lines
6.0 KiB
LLVM
; RUN: opt < %s -scalarrepl -S | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
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@C.0.1248 = internal constant [128 x float] [ float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 ], align 32 ; <[128 x float]*> [#uses=1]
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define float @test1(i32 %hash, float %x, float %y, float %z, float %w) {
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entry:
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%lookupTable = alloca [128 x float], align 16 ; <[128 x float]*> [#uses=5]
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%lookupTable1 = bitcast [128 x float]* %lookupTable to i8* ; <i8*> [#uses=1]
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call void @llvm.memcpy.i32( i8* %lookupTable1, i8* bitcast ([128 x float]* @C.0.1248 to i8*), i32 512, i32 16 )
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; CHECK: @test1
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; CHECK-NOT: alloca
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; CHECK-NOT: call{{.*}}@llvm.memcpy
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; CHECK: %lookupTable1 = bitcast [128 x float]* @C.0.1248 to i8*
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; CHECK-NOT: call{{.*}}@llvm.memcpy
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%tmp3 = shl i32 %hash, 2 ; <i32> [#uses=1]
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%tmp5 = and i32 %tmp3, 124 ; <i32> [#uses=4]
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%tmp753 = getelementptr [128 x float]* %lookupTable, i32 0, i32 %tmp5 ; <float*> [#uses=1]
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%tmp9 = load float* %tmp753 ; <float> [#uses=1]
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%tmp11 = fmul float %tmp9, %x ; <float> [#uses=1]
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%tmp13 = fadd float %tmp11, 0.000000e+00 ; <float> [#uses=1]
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%tmp17.sum52 = or i32 %tmp5, 1 ; <i32> [#uses=1]
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%tmp1851 = getelementptr [128 x float]* %lookupTable, i32 0, i32 %tmp17.sum52 ; <float*> [#uses=1]
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%tmp19 = load float* %tmp1851 ; <float> [#uses=1]
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%tmp21 = fmul float %tmp19, %y ; <float> [#uses=1]
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%tmp23 = fadd float %tmp21, %tmp13 ; <float> [#uses=1]
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%tmp27.sum50 = or i32 %tmp5, 2 ; <i32> [#uses=1]
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%tmp2849 = getelementptr [128 x float]* %lookupTable, i32 0, i32 %tmp27.sum50 ; <float*> [#uses=1]
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%tmp29 = load float* %tmp2849 ; <float> [#uses=1]
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%tmp31 = fmul float %tmp29, %z ; <float> [#uses=1]
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%tmp33 = fadd float %tmp31, %tmp23 ; <float> [#uses=1]
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%tmp37.sum48 = or i32 %tmp5, 3 ; <i32> [#uses=1]
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%tmp3847 = getelementptr [128 x float]* %lookupTable, i32 0, i32 %tmp37.sum48 ; <float*> [#uses=1]
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%tmp39 = load float* %tmp3847 ; <float> [#uses=1]
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%tmp41 = fmul float %tmp39, %w ; <float> [#uses=1]
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%tmp43 = fadd float %tmp41, %tmp33 ; <float> [#uses=1]
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ret float %tmp43
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}
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declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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%T = type { i8, [123 x i8] }
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@G = constant %T {i8 1, [123 x i8] zeroinitializer }
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define void @test2() {
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%A = alloca %T
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%B = alloca %T
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%a = bitcast %T* %A to i8*
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%b = bitcast %T* %B to i8*
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; CHECK: @test2
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; %A alloca is deleted
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; CHECK-NEXT: %B = alloca %T
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; use @G instead of %A
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; CHECK-NEXT: %a = bitcast %T* @G to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* bitcast (%T* @G to i8*), i64 124, i32 4, i1 false)
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %a, i64 124, i32 4, i1 false)
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call void @bar(i8* %b)
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ret void
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}
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declare void @bar(i8*)
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;; Should be able to eliminate the alloca.
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define void @test3() {
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%A = alloca %T
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%a = bitcast %T* %A to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* bitcast (%T* @G to i8*), i64 124, i32 4, i1 false)
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call void @bar(i8* %a) readonly
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; CHECK: @test3
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; CHECK-NEXT: %a = bitcast %T* @G to i8*
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; CHECK-NEXT: call void @bar(i8* %a)
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ret void
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}
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define void @test4() {
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%A = alloca %T
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%a = bitcast %T* %A to i8*
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* bitcast (%T* @G to i8*), i64 124, i32 4, i1 false)
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call void @baz(i8* byval %a)
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; CHECK: @test4
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; CHECK-NEXT: %a = bitcast %T* @G to i8*
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; CHECK-NEXT: call void @baz(i8* byval %a)
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ret void
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}
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declare void @baz(i8* byval)
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