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5d321c1c3e
Use isEliminableCastPair to determine if a pair of casts are foldable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276777 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
803 B
LLVM
25 lines
803 B
LLVM
; RUN: opt -disable-basicaa -gvn -S < %s | FileCheck %s
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target datalayout = "e-p:32:32:32"
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target triple = "i386-pc-linux-gnu"
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define <2 x i32> @test1() {
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%v1 = alloca <2 x i32>
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call void @anything(<2 x i32>* %v1)
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%v2 = load <2 x i32>, <2 x i32>* %v1
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%v3 = inttoptr <2 x i32> %v2 to <2 x i8*>
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%v4 = bitcast <2 x i32>* %v1 to <2 x i8*>*
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store <2 x i8*> %v3, <2 x i8*>* %v4
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%v5 = load <2 x i32>, <2 x i32>* %v1
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ret <2 x i32> %v5
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; CHECK-LABEL: @test1(
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; CHECK: %v1 = alloca <2 x i32>
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; CHECK: call void @anything(<2 x i32>* %v1)
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; CHECK: %v2 = load <2 x i32>, <2 x i32>* %v1
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; CHECK: %v3 = inttoptr <2 x i32> %v2 to <2 x i8*>
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; CHECK: %v4 = bitcast <2 x i32>* %v1 to <2 x i8*>*
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; CHECK: store <2 x i8*> %v3, <2 x i8*>* %v4
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; CHECK: ret <2 x i32> %v2
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}
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declare void @anything(<2 x i32>*)
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