Imported Upstream version 5.18.0.225

Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
This commit is contained in:
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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; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
; The input *.ll is obtained by manually annotating "invariant.load" to the
; two loads. With "invariant.load" metadata, the second load is redundant.
;
; int foo(int *p, char *q) {
; *q = (char)*p;
; return *p + 1;
; }
define i32 @foo(i32* nocapture %p, i8* nocapture %q) {
entry:
%0 = load i32, i32* %p, align 4, !invariant.load !3
%conv = trunc i32 %0 to i8
store i8 %conv, i8* %q, align 1
%1 = load i32, i32* %p, align 4, !invariant.load !3
%add = add nsw i32 %1, 1
ret i32 %add
; CHECK: foo
; CHECK: %0 = load i32, i32* %p
; CHECK: store i8 %conv, i8* %q,
; CHECK: %add = add nsw i32 %0, 1
}
!3 = !{}