| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; Test that the memset 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 @memset(ptr, i32, i32) |
| |
| ; Check that memset functions with the wrong prototype aren't simplified. |
| |
| define i8 @test_no_simplify1(ptr %mem, i32 %val, i32 %size) { |
| ; CHECK-LABEL: @test_no_simplify1( |
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @memset(ptr [[MEM:%.*]], i32 [[VAL:%.*]], i32 [[SIZE:%.*]]) |
| ; CHECK-NEXT: ret i8 [[RET]] |
| ; |
| %ret = call i8 @memset(ptr %mem, i32 %val, i32 %size) |
| ret i8 %ret |
| } |