llvm-6502/test/Analysis/CFLAliasAnalysis/asm-global-bugfix.ll
George Burgess IV c571d114ba Fixed a bug where CFLAA would crash the compiler.
We would crash if we couldn't locate a Function that either Location's
Value belonged to. Now we just print out a debug message and return 
conservatively.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228901 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-12 03:07:07 +00:00

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527 B
LLVM

; Test case for a bug where we would crash when we were requested to report
; whether two values that didn't belong to a function (i.e. two globals, etc)
; aliased.
; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
@G = private unnamed_addr constant [1 x i8] c"\00", align 1
; CHECK: Function: test_no_crash
; CHECK: 1 no alias responses
define void @test_no_crash() #0 {
entry:
call i8* asm "nop", "=r,r"(
i8* getelementptr inbounds ([1 x i8]* @G, i64 0, i64 0))
ret void
}