| ; Test that the memmove 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 i8 @memmove(ptr, ptr, i32) |
| |
| ; Check that memmove functions with the wrong prototype aren't simplified. |
| |
| define i8 @test_no_simplify1(ptr %mem1, ptr %mem2, i32 %size) { |
| ; CHECK-LABEL: @test_no_simplify1( |
| %ret = call i8 @memmove(ptr %mem1, ptr %mem2, i32 %size) |
| ; CHECK: call i8 @memmove |
| ret i8 %ret |
| ; CHECK: ret i8 %ret |
| } |