| ; Test that the memcmp library call simplifier works correctly. | |
| ; | |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s | |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" | |
| declare ptr @memcmp(ptr, ptr, i32) | |
| ; Check that memcmp functions with the wrong prototype aren't simplified. | |
| define ptr @test_no_simplify1(ptr %mem, i32 %size) { | |
| ; CHECK-LABEL: @test_no_simplify1( | |
| %ret = call ptr @memcmp(ptr %mem, ptr %mem, i32 %size) | |
| ; CHECK-NEXT: call ptr @memcmp | |
| ret ptr %ret | |
| ; CHECK-NEXT: ret ptr %ret | |
| } |