Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions

View File

@@ -0,0 +1,26 @@
; 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 = !{}