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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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32
external/llvm/test/CodeGen/XCore/memcpy.ll vendored
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@ -1,32 +0,0 @@
; RUN: llc < %s -march=xcore | FileCheck %s
; Optimize memcpy to __memcpy_4 if src, dst and size are all 4 byte aligned.
define void @f1(i8* %dst, i8* %src, i32 %n) nounwind {
; CHECK-LABEL: f1:
; CHECK: bl __memcpy_4
entry:
%0 = shl i32 %n, 2
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %0, i32 4, i1 false)
ret void
}
; Can't optimize - size is not a multiple of 4.
define void @f2(i8* %dst, i8* %src, i32 %n) nounwind {
; CHECK-LABEL: f2:
; CHECK: bl memcpy
entry:
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %n, i32 4, i1 false)
ret void
}
; Can't optimize - alignment is not a multiple of 4.
define void @f3(i8* %dst, i8* %src, i32 %n) nounwind {
; CHECK-LABEL: f3:
; CHECK: bl memcpy
entry:
%0 = shl i32 %n, 2
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dst, i8* %src, i32 %0, i32 2, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind