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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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21
external/llvm-project/llvm/test/Transforms/DeadStoreElimination/no-targetdata.ll vendored Normal file
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@@ -0,0 +1,21 @@
; RUN: opt -basicaa -dse -S < %s | FileCheck %s
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
define void @fn(i8* nocapture %buf) #0 {
entry:
; We would not eliminate the first memcpy with data layout, and we should not
; eliminate it without data layout.
; CHECK-LABEL: @fn
; CHECK: tail call void @llvm.memcpy.p0i8.p0i8.i64
; CHECK: tail call void @llvm.memcpy.p0i8.p0i8.i64
; CHECK: ret void
%arrayidx = getelementptr i8, i8* %buf, i64 18
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arrayidx, i8* %buf, i64 18, i32 1, i1 false)
store i8 1, i8* %arrayidx, align 1
tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %buf, i8* %arrayidx, i64 18, i32 1, i1 false)
ret void
}