From: Nikita Popov <npopov@redhat.com>
Date: Thu, 29 Sep 2022 13:21:57 +0000 (+0200)
Subject: [InstSimplify] Add test for PR58046 (NFC)
X-Git-Tag: upstream/17.0.6~32116
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea32658288d449a01c89188a440a53aaed2563c8;p=platform%2Fupstream%2Fllvm.git

[InstSimplify] Add test for PR58046 (NFC)
---

diff --git a/llvm/test/Transforms/InstSimplify/floating-point-compare.ll b/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
index a45e39b..399950b 100644
--- a/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
+++ b/llvm/test/Transforms/InstSimplify/floating-point-compare.ll
@@ -999,6 +999,18 @@ define <2 x i1> @known_positive_une_with_negative_constant_splat_vec(<2 x i32> %
   ret <2 x i1> %cmp
 }
 
+; FIXME: Miscompile.
+define i1 @pr58046(i64 %arg) {
+; CHECK-LABEL: @pr58046(
+; CHECK-NEXT:    ret i1 false
+;
+  %fp = uitofp i64 %arg to double
+  %mul = fmul double -0.000000e+00, %fp
+  %div = fdiv double 1.000000e+00, %mul
+  %cmp = fcmp oeq double %div, 0xFFF0000000000000
+  ret i1 %cmp
+}
+
 define i1 @nonans1(double %in1, double %in2) {
 ; CHECK-LABEL: @nonans1(
 ; CHECK-NEXT:    ret i1 false