31 lines
1.2 KiB
LLVM
31 lines
1.2 KiB
LLVM
; RUN: opt < %s -instcombine -simplifycfg -S |\
|
|
; RUN: not grep {call void @abort}
|
|
|
|
@b_rec.0 = external global i32 ; <i32*> [#uses=2]
|
|
|
|
define void @_Z12h000007_testv(i32* %P) {
|
|
entry:
|
|
%tmp.2 = load i32* @b_rec.0 ; <i32> [#uses=1]
|
|
%tmp.9 = or i32 %tmp.2, -989855744 ; <i32> [#uses=2]
|
|
%tmp.16 = and i32 %tmp.9, -805306369 ; <i32> [#uses=2]
|
|
%tmp.17 = and i32 %tmp.9, -973078529 ; <i32> [#uses=1]
|
|
store i32 %tmp.17, i32* @b_rec.0
|
|
%tmp.17.shrunk = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
|
|
%tmp.22 = and i32 %tmp.17.shrunk, -1073741824 ; <i32> [#uses=1]
|
|
%tmp.23 = icmp eq i32 %tmp.22, -1073741824 ; <i1> [#uses=1]
|
|
br i1 %tmp.23, label %endif.0, label %then.0
|
|
|
|
then.0: ; preds = %entry
|
|
tail call void @abort( )
|
|
unreachable
|
|
|
|
endif.0: ; preds = %entry
|
|
%tmp.17.shrunk2 = bitcast i32 %tmp.16 to i32 ; <i32> [#uses=1]
|
|
%tmp.27.mask = and i32 %tmp.17.shrunk2, 100663295 ; <i32> [#uses=1]
|
|
store i32 %tmp.27.mask, i32* %P
|
|
ret void
|
|
}
|
|
|
|
declare void @abort()
|
|
|