| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; Test that the wcslen library call simplifier works correctly. |
| ; |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| |
| ; Without the wchar_size metadata we should see no optimization happening. |
| |
| @hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0] |
| |
| declare i64 @wcslen(ptr) |
| |
| define i64 @test_no_simplify1() { |
| ; CHECK-LABEL: @test_no_simplify1( |
| ; CHECK-NEXT: [[HELLO_L:%.*]] = call i64 @wcslen(ptr nonnull @hello) |
| ; CHECK-NEXT: ret i64 [[HELLO_L]] |
| ; |
| %hello_l = call i64 @wcslen(ptr @hello) |
| ret i64 %hello_l |
| } |
