1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/constant-fold-libfunc.ll b/test/Transforms/InstCombine/constant-fold-libfunc.ll
index c969b65a4e7..5d1aa821ea1 100644
--- a/test/Transforms/InstCombine/constant-fold-libfunc.ll
+++ b/test/Transforms/InstCombine/constant-fold-libfunc.ll
@@ -12,9 +12,20 @@ define double @test_simplify_acos() {
   ret double %pi
 }
 
+; Check that we don't constant fold builtin functions.
+
 define double @test_acos_nobuiltin() {
 ; CHECK-LABEL: @test_acos_nobuiltin
   %pi = call double @acos(double -1.000000e+00) nobuiltin 
 ; CHECK: call double @acos(double -1.000000e+00)
   ret double %pi
 }
+
+; Check that we don't constant fold strictfp results that require rounding.
+
+define double @test_acos_strictfp() {
+; CHECK-LABEL: @test_acos_strictfp
+  %pi = call double @acos(double -1.000000e+00) strictfp 
+; CHECK: call double @acos(double -1.000000e+00)
+  ret double %pi
+}