[InstSimplify] add fixme comment for PR37776; NFC

llvm-svn: 337129
2018-07-15 16:13:58 +00:00 · 2018-07-15 16:13:58 +00:00 · fae8ed0104
parent 810f51ec1b
commit fae8ed0104
1 changed files with 4 additions and 0 deletions
--- a/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
+++ b/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
@ -266,6 +266,10 @@ define i1 @orderedLessZeroMinNum(float, float) {
  ret i1 %uge
 }

+; FIXME: This is wrong.
+; PR37776: https://bugs.llvm.org/show_bug.cgi?id=37776
+; exp() may return nan, leaving %1 as the unknown result, so we can't simplify.
+
 define i1 @orderedLessZeroMaxNum(float, float) {
 ; CHECK-LABEL: @orderedLessZeroMaxNum(
 ; CHECK-NEXT:    ret i1 true