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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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21
external/llvm/test/Transforms/InstCombine/2003-08-12-AllocaNonNull.ll vendored Normal file
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@@ -0,0 +1,21 @@
; This testcase can be simplified by "realizing" that alloca can never return
; null.
; RUN: opt < %s -instcombine -simplifycfg -S | FileCheck %s
; CHECK-NOT: br
declare i32 @bitmap_clear(...)
define i32 @oof() {
entry:
%live_head = alloca i32 ; <i32*> [#uses=2]
%tmp.1 = icmp ne i32* %live_head, null ; <i1> [#uses=1]
br i1 %tmp.1, label %then, label %UnifiedExitNode
then: ; preds = %entry
%tmp.4 = call i32 (...) @bitmap_clear( i32* %live_head ) ; <i32> [#uses=0]
br label %UnifiedExitNode
UnifiedExitNode: ; preds = %then, %entry
ret i32 0
}