22 lines
640 B
LLVM
22 lines
640 B
LLVM
; Test that the wcslen library call simplifier works correctly.
|
|
;
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
!0 = !{i32 1, !"wchar_size", i32 4}
|
|
!llvm.module.flags = !{!0}
|
|
|
|
@hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0]
|
|
|
|
declare i64 @wcslen(i32*, i32)
|
|
|
|
define i64 @test_no_simplify1() {
|
|
; CHECK-LABEL: @test_no_simplify1(
|
|
%hello_p = getelementptr [6 x i32], [6 x i32]* @hello, i64 0, i64 0
|
|
%hello_l = call i64 @wcslen(i32* %hello_p, i32 187)
|
|
; CHECK-NEXT: %hello_l = call i64 @wcslen
|
|
ret i64 %hello_l
|
|
; CHECK-NEXT: ret i64 %hello_l
|
|
}
|