mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
57cfd71f88
This patch migrates the strlen optimizations from the simplify-libcalls pass into the instcombine library call simplifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167103 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
595 B
LLVM
19 lines
595 B
LLVM
; Test that the strlen library call simplifier works correctly.
|
|
;
|
|
; RUN: opt < %s -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"
|
|
|
|
@hello = constant [6 x i8] c"hello\00"
|
|
|
|
declare i32 @strlen(i8*, i32)
|
|
|
|
define i32 @test_no_simplify1() {
|
|
; CHECK: @test_no_simplify1
|
|
%hello_p = getelementptr [6 x i8]* @hello, i32 0, i32 0
|
|
%hello_l = call i32 @strlen(i8* %hello_p, i32 187)
|
|
; CHECK-NEXT: %hello_l = call i32 @strlen
|
|
ret i32 %hello_l
|
|
; CHECK-NEXT: ret i32 %hello_l
|
|
}
|