| ; RUN: opt < %s -instcombine -S | FileCheck %s | |
| ; PR1201 | |
| define i32 @main(i32 %argc, i8** %argv) { | |
| %c_19 = alloca i8* | |
| %malloc_206 = malloc i8, i32 10 | |
| ; CHECK-NOT: malloc | |
| store i8* %malloc_206, i8** %c_19 | |
| %tmp_207 = load i8** %c_19 | |
| free i8* %tmp_207 | |
| ; CHECK-NOT: free | |
| ret i32 0 | |
| ; CHECK: ret i32 0 | |
| } | |
| declare i8* @malloc(i32) | |
| declare void @free(i8*) | |
| define i1 @foo() { | |
| ; CHECK: @foo | |
| ; CHECK-NEXT: ret i1 false | |
| %m = call i8* @malloc(i32 1) | |
| %z = icmp eq i8* %m, null | |
| call void @free(i8* %m) | |
| ret i1 %z | |
| } |