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5236ab3fdd
store when handling byval arguments. Thus preventing reordering of the store with load with post-RA scheduler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164553 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
873 B
LLVM
28 lines
873 B
LLVM
; RUN: llc < %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-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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%struct.foo = type { i8, i8 }
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define void @_Z5check3foos(%struct.foo* nocapture byval %f, i16 signext %i) noinline {
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; CHECK: _Z5check3foos:
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; CHECK: sth 3, {{[0-9]+}}(1)
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; CHECK: lha {{[0-9]+}}, {{[0-9]+}}(1)
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entry:
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%0 = bitcast %struct.foo* %f to i16*
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%1 = load i16* %0, align 2
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%bf.val.sext = ashr i16 %1, 8
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%cmp = icmp eq i16 %bf.val.sext, %i
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br i1 %cmp, label %if.end, label %if.then
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if.then: ; preds = %entry
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%conv = sext i16 %bf.val.sext to i32
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tail call void @exit(i32 %conv)
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br label %if.end
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if.end: ; preds = %entry, %if.then
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ret void
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}
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declare void @exit(i32)
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