[InstSimplify] add tests for minnum/maxnum and NaN; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360197 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstSimplify/floating-point-compare.ll b/test/Transforms/InstSimplify/floating-point-compare.ll
index 5ce56e029d35aa9e7bc0a8bfcc73cdcd0e6423cc..a2785fab84d75b6df8951e4d287f4f2b862e5234 100644 (file)
--- a/test/Transforms/InstSimplify/floating-point-compare.ll
+++ b/test/Transforms/InstSimplify/floating-point-compare.ll
@@ -485,6 +485,28 @@ define i1 @orderedLessZeroMaximum(float, float) {
   ret i1 %uge
 }
 
+define i1 @minnum_non_nan(float %x) {
+; CHECK-LABEL: @minnum_non_nan(
+; CHECK-NEXT:    [[MIN:%.*]] = call float @llvm.minnum.f32(float 5.000000e-01, float [[X:%.*]])
+; CHECK-NEXT:    [[CMP:%.*]] = fcmp ord float [[MIN]], 1.000000e+00
+; CHECK-NEXT:    ret i1 [[CMP]]
+;
+  %min = call float @llvm.minnum.f32(float 0.5, float %x)
+  %cmp = fcmp ord float %min, 1.0
+  ret i1 %cmp
+}
+
+define i1 @maxnum_non_nan(float %x) {
+; CHECK-LABEL: @maxnum_non_nan(
+; CHECK-NEXT:    [[MIN:%.*]] = call float @llvm.maxnum.f32(float [[X:%.*]], float 4.200000e+01)
+; CHECK-NEXT:    [[CMP:%.*]] = fcmp uno float [[MIN]], 1.200000e+01
+; CHECK-NEXT:    ret i1 [[CMP]]
+;
+  %min = call float @llvm.maxnum.f32(float %x, float 42.0)
+  %cmp = fcmp uno float %min, 12.0
+  ret i1 %cmp
+}
+
 define i1 @known_positive_olt_with_negative_constant(double %a) {
 ; CHECK-LABEL: @known_positive_olt_with_negative_constant(
 ; CHECK-NEXT:    ret i1 false