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Minimize test case further 

No functional change intended.

llvm-svn: 221237
This commit is contained in:
David Majnemer 2014-11-04 05:17:58 +00:00
parent 446e4b6be1
commit d28edfea03
1 changed files with 14 additions and 21 deletions
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35
llvm/test/Transforms/InstCombine/fold-phi.ll
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@ -18,29 +18,22 @@ end:
}
; CHECK-LABEL: @pr21377(
define void @pr21377(i32, i32) {
define void @pr21377(i32) {
entry:
br label %while.cond.i
br label %while.body
while.cond.i: ; preds = %while.end.i, %entry
%g.0.i = phi i64 [ 0, %entry ], [ %phitmp5.i, %while.end.i ]
br i1 undef, label %fn2.exit, label %while.body.i
while.body: ; preds = %if.end, %entry
%phi1 = phi i64 [ undef, %entry ], [ %or2, %if.end ]
%zext = zext i32 %0 to i64
br i1 undef, label %if.end, label %if.else
while.body.i: ; preds = %while.cond.i
%conv.i = zext i32 %0 to i64
%phitmp3.i = or i64 %g.0.i, %conv.i
br label %while.cond3.i
if.else: ; preds = %while.body
%or1 = or i64 %phi1, %zext
%and = and i64 %or1, 4294967295
br label %if.end
while.cond3.i: ; preds = %while.cond3.i, %while.body.i
%g.1.i = phi i64 [ %phitmp3.i, %while.body.i ], [ 0, %while.cond3.i ]
br i1 undef, label %while.end.i, label %while.cond3.i
while.end.i: ; preds = %while.cond3.i
%conv.i.i = zext i32 %1 to i64
%or7.i = or i64 %g.1.i, %conv.i.i
%phitmp5.i = and i64 %or7.i, 4294967295
br label %while.cond.i
fn2.exit: ; preds = %while.cond.i
ret void
if.end: ; preds = %if.else, %while.body
%phi2 = phi i64 [ %and, %if.else ], [ undef, %while.body ]
%or2 = or i64 %phi2, %zext
br label %while.body
}