llvm-6502/test/Transforms/InstCombine/2003-08-12-AllocaNonNull.ll
Matt Arsenault 9fd438fc00 Convert tests to FileCheck
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189529 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-28 23:04:41 +00:00

22 lines
656 B
LLVM

; 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
}