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Reenable this IndVars unit test.

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SCEV can't optimize undef in all cases, which is a separate issue from this test case.

llvm-svn: 145343
This commit is contained in:
Andrew Trick 2011-11-29 00:52:04 +00:00
parent 93f8ddd97a
commit 4c2bb1ade3
1 changed files with 1 additions and 4 deletions
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5
test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
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@ -3,9 +3,6 @@
; add219 should be extended to i64 because it is nsw, even though its
; sext cannot be hoisted outside the loop.
; FIXME: GetExtendedOperandRecurrence has problems with the nsw bit on add exprs
; XFAIL: *
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
define void @test() nounwind {
@ -22,7 +19,7 @@ for.body153: ; preds = %for.body153, %for.b
; CHECK: add nsw i64 %indvars.iv, 1
for.body170: ; preds = %for.body170, %for.body153
%i2.19 = phi i32 [ %add249, %for.body170 ], [ undef, %for.body153 ]
%i2.19 = phi i32 [ %add249, %for.body170 ], [ 0, %for.body153 ]
%add219 = add nsw i32 %i2.19, 1
%idxprom220 = sext i32 %add219 to i64
%add249 = add nsw i32 %i2.19, %shl132