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llvm-mirror/test/CodeGen/X86/unreachableblockelim.ll
2016-07-08 03:32:49 +00:00

22 lines
515 B
LLVM

; RUN: opt -S < %s -unreachableblockelim | FileCheck %s
; RUN: opt -S < %s -passes=unreachableblockelim | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @abort()
; CHECK-LABEL: @foo(
; CHECK-NOT return:
define void @foo(i32* %p) {
entry:
%p.addr = alloca i32*, align 8
call void @abort()
unreachable
return: ; No predecessors!
store i32* %p, i32** %p.addr, align 8
ret void
}