mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-17 03:07:06 +00:00
f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
47 lines
1.6 KiB
LLVM
47 lines
1.6 KiB
LLVM
; This test case was reduced from MultiSource/Applications/hbd. It makes sure
|
|
; that folding doesn't happen in case a zext is applied where a sext should have
|
|
; been when a setcc is used with two casts.
|
|
; RUN: opt < %s -instcombine -S | \
|
|
; RUN: not grep {br i1 false}
|
|
; END.
|
|
|
|
define i32 @bug(i8 %inbuff) {
|
|
entry:
|
|
%tmp = bitcast i8 %inbuff to i8 ; <i8> [#uses=1]
|
|
%tmp.upgrd.1 = sext i8 %tmp to i32 ; <i32> [#uses=3]
|
|
%tmp.upgrd.2 = icmp eq i32 %tmp.upgrd.1, 1 ; <i1> [#uses=1]
|
|
br i1 %tmp.upgrd.2, label %cond_true, label %cond_next
|
|
|
|
cond_true: ; preds = %entry
|
|
br label %bb
|
|
|
|
cond_next: ; preds = %entry
|
|
%tmp3 = icmp eq i32 %tmp.upgrd.1, -1 ; <i1> [#uses=1]
|
|
br i1 %tmp3, label %cond_true4, label %cond_next5
|
|
|
|
cond_true4: ; preds = %cond_next
|
|
br label %bb
|
|
|
|
cond_next5: ; preds = %cond_next
|
|
%tmp7 = icmp sgt i32 %tmp.upgrd.1, 1 ; <i1> [#uses=1]
|
|
br i1 %tmp7, label %cond_true8, label %cond_false
|
|
|
|
cond_true8: ; preds = %cond_next5
|
|
br label %cond_next9
|
|
|
|
cond_false: ; preds = %cond_next5
|
|
br label %cond_next9
|
|
|
|
cond_next9: ; preds = %cond_false, %cond_true8
|
|
%iftmp.1.0 = phi i32 [ 42, %cond_true8 ], [ 23, %cond_false ] ; <i32> [#uses=1]
|
|
br label %return
|
|
|
|
bb: ; preds = %cond_true4, %cond_true
|
|
br label %return
|
|
|
|
return: ; preds = %bb, %cond_next9
|
|
%retval.0 = phi i32 [ 17, %bb ], [ %iftmp.1.0, %cond_next9 ] ; <i32> [#uses=1]
|
|
ret i32 %retval.0
|
|
}
|
|
|