6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-19 03:29:22 +00:00
Code Issues Projects Releases Wiki Activity

Add a test case to make sure that constant folding of the bit counting

Browse Source 
intrinsics works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35577 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-04-02 01:45:31 +00:00
parent c995123182
commit f1b18a7bdb
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
test/Transforms/InstCombine/bitcount.ll Normal file
View File

@ -0,0 +1,16 @@
; Tests to make sure bit counts of constants are folded
; RUN: llvm-as < %s | opt -instcombine | llvm-dis -o /dev/null -f &&
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 'llvm.ct'
declare i32 @llvm.ctpop.i31(i31 %val)
declare i32 @llvm.cttz.i32(i32 %val)
declare i32 @llvm.ctlz.i33(i33 %val)
define i32 %test(i32 %A) {
%c1 = i32 call @llvm.ctpop(i31 12415124)
%c2 = i32 call @llvm.cttz(i32 87359874)
%c3 = i32 call @llvm.ctlz(i33 87359874)
%r1 = add i32 %c1, %c2
%r2 = add i32 %r1, %c3
ret i32 %r2
}