2009-10-05 02:47:47 +00:00
|
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
|
|
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
|
|
|
target triple = "x86_64-apple-darwin10.0"
|
|
|
|
|
|
|
|
|
|
declare noalias i8* @malloc(i64) nounwind
|
|
|
|
|
declare void @free(i8*)
|
|
|
|
|
|
|
|
|
|
; PR5130
|
|
|
|
|
define i1 @test1() {
|
|
|
|
|
%A = call noalias i8* @malloc(i64 4) nounwind
|
|
|
|
|
%B = icmp eq i8* %A, null
|
2010-05-27 19:09:06 +00:00
|
|
|
store i8 0, i8* %A
|
2009-10-05 02:47:47 +00:00
|
|
|
|
|
|
|
|
call void @free(i8* %A)
|
|
|
|
|
ret i1 %B
|
|
|
|
|
|
|
|
|
|
; CHECK: @test1
|
2012-07-06 23:09:25 +00:00
|
|
|
; CHECK: ret i1 false
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
; CHECK: @test2
|
|
|
|
|
define noalias i8* @test2() nounwind {
|
|
|
|
|
entry:
|
|
|
|
|
; CHECK: @malloc
|
|
|
|
|
%A = call noalias i8* @malloc(i64 4) nounwind
|
|
|
|
|
; CHECK: icmp eq
|
|
|
|
|
%tobool = icmp eq i8* %A, null
|
|
|
|
|
; CHECK: br i1
|
|
|
|
|
br i1 %tobool, label %return, label %if.end
|
|
|
|
|
|
|
|
|
|
if.end:
|
|
|
|
|
; CHECK: store
|
|
|
|
|
store i8 7, i8* %A
|
|
|
|
|
br label %return
|
|
|
|
|
|
|
|
|
|
return:
|
|
|
|
|
; CHECK: phi
|
|
|
|
|
%retval.0 = phi i8* [ %A, %if.end ], [ null, %entry ]
|
|
|
|
|
ret i8* %retval.0
|
2009-10-05 02:47:47 +00:00
|
|
|
}
|
