[InstCombine] Add frem constant folding test (PR3316)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300757 91177308-0d34-0410-b5e6-96231b3b80d8
Svengali · Apr 19, 2017 · 6c2fd36 · 6c2fd36
1 parent ac9b651
commit 6c2fd36
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/test/Transforms/InstCombine/constant-fold-math.ll b/test/Transforms/InstCombine/constant-fold-math.ll
@@ -54,4 +54,13 @@ define float @constant_fold_frem_f32() #0 {
   ret float %x
 }
 
+; PR3316
+
+; CHECK-LABEL: @constant_fold_frem_f64
+; CHECK-NEXT: ret double 0.000000e+00
+define double @constant_fold_frem_f64() {
+  %x = frem double 0x43E0000000000000, 1.000000e+00
+  ret double %x
+}
+
 attributes #0 = { nounwind readnone }