6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-22 23:24:59 +00:00
Code Issues Projects Releases Wiki Activity

Turn strcmp into memcmp, such as strcmp(P, "x") --> memcmp(P, "x", 2).

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61297 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2008-12-21 00:19:21 +00:00
parent b12b1a27f5
commit 13a09e298c
2 changed files with 40 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
test/Transforms/SimplifyLibCalls/2008-12-20-StrcmpMemcmp.ll Normal file
View File

@@ -0,0 +1,10 @@
; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | grep call.*memcmp
@.str = internal constant [2 x i8] c"x\00"
declare i32 @strcmp(i8* %dest, i8* %src)
define i32 @foo(i8* %x, i8* %y) {
%A = call i32 @strcmp(i8* %x, i8* getelementptr ([2 x i8]* @.str, i32 0, i32 0))
ret i32 %A
}