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; RUN: opt < %s -passes=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 ptr @malloc(i64) nounwind allockind("alloc,uninitialized") "alloc-family"="malloc"
declare void @free(ptr) allockind("free") "alloc-family"="malloc"
; PR5130
define i1 @test1() {
%A = call noalias ptr @malloc(i64 4) nounwind
%B = icmp eq ptr %A, null
store i8 0, ptr %A
call void @free(ptr %A)
ret i1 %B
; CHECK-LABEL: @test1(
; CHECK: ret i1 false
}
; CHECK-LABEL: @test2(
define noalias ptr @test2() nounwind {
entry:
; CHECK: @malloc
%A = call noalias ptr @malloc(i64 4) nounwind
; CHECK: icmp eq
%tobool = icmp eq ptr %A, null
; CHECK: br i1
br i1 %tobool, label %return, label %if.end
if.end:
; CHECK: store
store i8 7, ptr %A
br label %return
return:
; CHECK: phi
%retval.0 = phi ptr [ %A, %if.end ], [ null, %entry ]
ret ptr %retval.0
}
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