Imported Upstream version 5.18.0.225

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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; RUN: opt < %s -instcombine -S | grep "store i8" | count 2
define i32 @a(i8* %s) nounwind {
entry:
store i8 0, i8* %s, align 1 ; This store cannot be eliminated!
%tmp3 = call i32 @strlen( i8* %s ) nounwind readonly
%tmp5 = icmp ne i32 %tmp3, 0
br i1 %tmp5, label %bb, label %bb8
bb: ; preds = %entry
store i8 0, i8* %s, align 1
br label %bb8
bb8:
ret i32 %tmp3
}
declare i32 @strlen(i8*) nounwind readonly