6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-24 22:24:54 +00:00
Code Issues Projects Releases Wiki Activity

Another attempt at getting the clang self-host to like my instcombine patch.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108614 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2010-07-17 06:56:35 +00:00
parent d0f6f01731
commit 7e3012c345
2 changed files with 58 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
test/Transforms/InstCombine/bit-checks.ll Normal file
View File

@@ -0,0 +1,26 @@
; This test makes sure that these instructions are properly eliminated.
;
; RUN: opt < %s -instcombine -S | \
; RUN: not grep {tobool}
; END.
define i32 @main(i32 %argc, i8** %argv) nounwind ssp {
entry:
%and = and i32 %argc, 1 ; <i32> [#uses=1]
%tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
%and2 = and i32 %argc, 2 ; <i32> [#uses=1]
%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
%or.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
%retval.0 = select i1 %or.cond, i32 2, i32 1 ; <i32> [#uses=1]
ret i32 %retval.0
}
define i32 @main2(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
entry:
%and = and i32 %argc, 1 ; <i32> [#uses=1]
%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
%and2 = and i32 %argc, 2 ; <i32> [#uses=1]
%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
ret i32 %storemerge
}