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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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28
external/llvm/test/Transforms/InstCombine/memcpy-1.ll vendored
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@ -1,28 +0,0 @@
; Test that the memcpy library call simplifier works correctly.
;
; RUN: opt < %s -instcombine -S | FileCheck %s
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-f80:128:128"
declare i8* @memcpy(i8*, i8*, i32)
; Check memcpy(mem1, mem2, size) -> llvm.memcpy(mem1, mem2, size, 1).
define i8* @test_simplify1(i8* %mem1, i8* %mem2, i32 %size) {
; CHECK-LABEL: @test_simplify1(
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %mem1, i8* %mem2, i32 %size, i32 1, i1 false)
; CHECK-NEXT: ret i8* %mem1
;
%ret = call i8* @memcpy(i8* %mem1, i8* %mem2, i32 %size)
ret i8* %ret
}
; Verify that the strictfp attr doesn't block this optimization.
define i8* @test_simplify2(i8* %mem1, i8* %mem2, i32 %size) {
; CHECK-LABEL: @test_simplify2(
%ret = call i8* @memcpy(i8* %mem1, i8* %mem2, i32 %size) strictfp
; CHECK: call void @llvm.memcpy
ret i8* %ret
; CHECK: ret i8* %mem1
}