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Imported Upstream version 5.18.0.225

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Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
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Xamarin Public Jenkins (auto-signing)
2018-12-21 19:01:49 +00:00
parent 32d52ae4ca
commit f32dbaf0b2
28477 changed files with 3866961 additions and 38 deletions
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30
external/llvm/test/Transforms/SCCP/atomic-load-store.ll vendored Normal file
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@ -0,0 +1,30 @@
; RUN: opt < %s -ipsccp -S | FileCheck %s
; This transformation is safe for atomic loads and stores; check that it works.
@G = internal global i32 17
@C = internal constant i32 222
define i32 @test1() {
%V = load atomic i32, i32* @G seq_cst, align 4
%C = icmp eq i32 %V, 17
br i1 %C, label %T, label %F
T:
store atomic i32 17, i32* @G seq_cst, align 4
ret i32 %V
F:
store atomic i32 123, i32* @G seq_cst, align 4
ret i32 0
}
; CHECK-LABEL: define i32 @test1(
; CHECK-NOT: store
; CHECK: ret i32 17
define i32 @test2() {
%V = load atomic i32, i32* @C seq_cst, align 4
ret i32 %V
}
; CHECK-LABEL: define i32 @test2(
; CHECK-NOT: load
; CHECK: ret i32 222