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Returning a new node makes the code try to replace the old node, which in the included testcase is killed by CSE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129650 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
823 B
LLVM
24 lines
823 B
LLVM
; RUN: llc < %s | FileCheck %s
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; PR9055
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
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target triple = "i686-pc-linux-gnu"
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%struct.S0 = type { i32, [2 x i8], [2 x i8], [4 x i8] }
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@g_98 = common global %struct.S0 zeroinitializer, align 4
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define void @foo() nounwind {
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; CHECK: movzbl
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; CHECK-NOT: movzbl
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; CHECK: calll
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entry:
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%tmp17 = load i8* getelementptr inbounds (%struct.S0* @g_98, i32 0, i32 1, i32 0), align 4
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%tmp54 = zext i8 %tmp17 to i32
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%foo = load i32* bitcast (i8* getelementptr inbounds (%struct.S0* @g_98, i32 0, i32 1, i32 0) to i32*), align 4
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%conv.i = trunc i32 %foo to i8
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tail call void @func_12(i32 %tmp54, i8 zeroext %conv.i) nounwind
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ret void
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}
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declare void @func_12(i32, i8 zeroext)
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