1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget 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" 4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-darwin10.0" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdeclare noalias i8* @malloc(i64) nounwind 7*9880d681SAndroid Build Coastguard Workerdeclare void @free(i8*) 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; PR5130 10*9880d681SAndroid Build Coastguard Workerdefine i1 @test1() { 11*9880d681SAndroid Build Coastguard Worker %A = call noalias i8* @malloc(i64 4) nounwind 12*9880d681SAndroid Build Coastguard Worker %B = icmp eq i8* %A, null 13*9880d681SAndroid Build Coastguard Worker store i8 0, i8* %A 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Worker call void @free(i8* %A) 16*9880d681SAndroid Build Coastguard Worker ret i1 %B 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1( 19*9880d681SAndroid Build Coastguard Worker; CHECK: ret i1 false 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test2( 23*9880d681SAndroid Build Coastguard Workerdefine noalias i8* @test2() nounwind { 24*9880d681SAndroid Build Coastguard Workerentry: 25*9880d681SAndroid Build Coastguard Worker; CHECK: @malloc 26*9880d681SAndroid Build Coastguard Worker %A = call noalias i8* @malloc(i64 4) nounwind 27*9880d681SAndroid Build Coastguard Worker; CHECK: icmp eq 28*9880d681SAndroid Build Coastguard Worker %tobool = icmp eq i8* %A, null 29*9880d681SAndroid Build Coastguard Worker; CHECK: br i1 30*9880d681SAndroid Build Coastguard Worker br i1 %tobool, label %return, label %if.end 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerif.end: 33*9880d681SAndroid Build Coastguard Worker; CHECK: store 34*9880d681SAndroid Build Coastguard Worker store i8 7, i8* %A 35*9880d681SAndroid Build Coastguard Worker br label %return 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Workerreturn: 38*9880d681SAndroid Build Coastguard Worker; CHECK: phi 39*9880d681SAndroid Build Coastguard Worker %retval.0 = phi i8* [ %A, %if.end ], [ null, %entry ] 40*9880d681SAndroid Build Coastguard Worker ret i8* %retval.0 41*9880d681SAndroid Build Coastguard Worker} 42