2010-04-13-AnalyzeBranchCrash.ll
1.83 KB
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; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=core2
; rdar://7857830
%0 = type opaque
%1 = type opaque
define void @t(%0* %self, i8* nocapture %_cmd, %1* %scroller, i32 %hitPart, float %multiplier) nounwind optsize ssp {
entry:
switch i32 %hitPart, label %if.else [
i32 7, label %if.then
i32 8, label %if.then
]
if.then: ; preds = %entry, %entry
%tmp69 = load float, float* null, align 4 ; <float> [#uses=1]
%cmp19 = icmp eq %1* null, %scroller ; <i1> [#uses=2]
%cond = select i1 %cmp19, float %tmp69, float 0.000000e+00 ; <float> [#uses=1]
%call36 = call i64 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i64 (i8*, i8*)*)(i8* undef, i8* undef) nounwind optsize ; <i64> [#uses=2]
br i1 %cmp19, label %cond.true32, label %cond.false39
cond.true32: ; preds = %if.then
%sroa.store.elt68 = lshr i64 %call36, 32 ; <i64> [#uses=1]
%0 = trunc i64 %sroa.store.elt68 to i32 ; <i32> [#uses=1]
br label %cond.end47
cond.false39: ; preds = %if.then
%1 = trunc i64 %call36 to i32 ; <i32> [#uses=1]
br label %cond.end47
cond.end47: ; preds = %cond.false39, %cond.true32
%cond48.in = phi i32 [ %0, %cond.true32 ], [ %1, %cond.false39 ] ; <i32> [#uses=1]
%cond48 = bitcast i32 %cond48.in to float ; <float> [#uses=1]
%div = fdiv float %cond, undef ; <float> [#uses=1]
%div58 = fdiv float %div, %cond48 ; <float> [#uses=1]
call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, float)*)(i8* undef, i8* undef, float %div58) nounwind optsize
ret void
if.else: ; preds = %entry
ret void
}
declare i8* @objc_msgSend(i8*, i8*, ...)