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Imported Upstream version 5.18.0.247

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Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions
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34
external/llvm/test/Transforms/InstCombine/builtin-object-size-ptr.ll vendored
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@ -1,34 +0,0 @@
; RUN: opt -instcombine -S < %s | FileCheck %s
; int foo() {
; struct V { char buf1[10];
; int b;
; char buf2[10];
; } var;
;
; char *p = &var.buf1[1];
; return __builtin_object_size (p, 0);
; }
%struct.V = type { [10 x i8], i32, [10 x i8] }
define i32 @foo() #0 {
entry:
%var = alloca %struct.V, align 4
%0 = bitcast %struct.V* %var to i8*
call void @llvm.lifetime.start.p0i8(i64 28, i8* %0) #3
%buf1 = getelementptr inbounds %struct.V, %struct.V* %var, i32 0, i32 0
%arrayidx = getelementptr inbounds [10 x i8], [10 x i8]* %buf1, i64 0, i64 1
%1 = call i64 @llvm.objectsize.i64.p0i8(i8* %arrayidx, i1 false)
%conv = trunc i64 %1 to i32
call void @llvm.lifetime.end.p0i8(i64 28, i8* %0) #3
ret i32 %conv
; CHECK: ret i32 27
; CHECK-NOT: ret i32 -1
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
declare i64 @llvm.objectsize.i64.p0i8(i8*, i1) #2
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1