mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
13e6be2fd6
This patch migrates the memcmp optimizations from the simplify-libcalls pass into the instcombine library call simplifier. llvm-svn: 167683
18 lines
587 B
LLVM
18 lines
587 B
LLVM
; Test that the memcmp 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"
|
|
|
|
declare i32* @memcmp(i8*, i8*, i32)
|
|
|
|
; Check that memcmp functions with the wrong prototype aren't simplified.
|
|
|
|
define i32* @test_no_simplify1(i8* %mem, i32 %size) {
|
|
; CHECK: @test_no_simplify1
|
|
%ret = call i32* @memcmp(i8* %mem, i8* %mem, i32 %size)
|
|
; CHECK-NEXT: call i32* @memcmp
|
|
ret i32* %ret
|
|
; CHECK-NEXT: ret i32* %ret
|
|
}
|