1 files changed, 109 insertions, 0 deletions
diff --git a/llvm/test/Analysis/ConstantFolding/rint.ll b/llvm/test/Analysis/ConstantFolding/rint.ll
new file mode 100644
index 00000000000..9ad794d6094
--- /dev/null
+++ b/llvm/test/Analysis/ConstantFolding/rint.ll
@@ -0,0 +1,109 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -early-cse < %s | FileCheck %s
+
+declare float @nearbyintf(float) #0
+declare float @llvm.nearbyint.f32(float) #0
+declare double @nearbyint(double) #0
+declare double @llvm.nearbyint.f64(double) #0
+declare float @rintf(float) #0
+declare float @llvm.rint.f32(float) #0
+declare double @rint(double) #0
+declare double @llvm.rint.f64(double) #0
+
+define float @constant_fold_rint_f32_01() #0 {
+; CHECK-LABEL: @constant_fold_rint_f32_01(
+; CHECK-NEXT:    ret float 1.000000e+00
+;
+  %x = call float @nearbyintf(float 1.25) #0
+  ret float %x
+}
+
+define float @constant_fold_rint_f32_02() #0 {
+; CHECK-LABEL: @constant_fold_rint_f32_02(
+; CHECK-NEXT:    ret float -1.000000e+00
+;
+  %x = call float @llvm.nearbyint.f32(float -1.25) #0
+  ret float %x
+}
+
+define float @constant_fold_rint_f32_03() #0 {
+; CHECK-LABEL: @constant_fold_rint_f32_03(
+; CHECK-NEXT:    ret float 2.000000e+00
+;
+  %x = call float @rintf(float 1.5) #0
+  ret float %x
+}
+
+define float @constant_fold_rint_f32_04() #0 {
+; CHECK-LABEL: @constant_fold_rint_f32_04(
+; CHECK-NEXT:    ret float -2.000000e+00
+;
+  %x = call float @llvm.rint.f32(float -1.5) #0
+  ret float %x
+}
+
+define float @constant_fold_rint_f32_05() #0 {
+; CHECK-LABEL: @constant_fold_rint_f32_05(
+; CHECK-NEXT:    ret float 3.000000e+00
+;
+  %x = call float @nearbyintf(float 2.75) #0
+  ret float %x
+}
+
+define float @constant_fold_rint_f32_06() #0 {
+; CHECK-LABEL: @constant_fold_rint_f32_06(
+; CHECK-NEXT:    ret float -3.000000e+00
+;
+  %x = call float @llvm.nearbyint.f32(float -2.75) #0
+  ret float %x
+}
+
+define double @constant_fold_rint_f64_01() #0 {
+; CHECK-LABEL: @constant_fold_rint_f64_01(
+; CHECK-NEXT:    ret double 1.000000e+00
+;
+  %x = call double @rint(double 1.3) #0
+  ret double %x
+}
+
+define double @constant_fold_rint_f64_02() #0 {
+; CHECK-LABEL: @constant_fold_rint_f64_02(
+; CHECK-NEXT:    ret double -1.000000e+00
+;
+  %x = call double @llvm.rint.f64(double -1.3) #0
+  ret double %x
+}
+
+define double @constant_fold_rint_f64_03() #0 {
+; CHECK-LABEL: @constant_fold_rint_f64_03(
+; CHECK-NEXT:    ret double 2.000000e+00
+;
+  %x = call double @nearbyint(double 1.5) #0
+  ret double %x
+}
+
+define double @constant_fold_rint_f64_04() #0 {
+; CHECK-LABEL: @constant_fold_rint_f64_04(
+; CHECK-NEXT:    ret double -2.000000e+00
+;
+  %x = call double @llvm.nearbyint.f64(double -1.5) #0
+  ret double %x
+}
+
+define double @constant_fold_rint_f64_05() #0 {
+; CHECK-LABEL: @constant_fold_rint_f64_05(
+; CHECK-NEXT:    ret double 3.000000e+00
+;
+  %x = call double @rint(double 2.7) #0
+  ret double %x
+}
+
+define double @constant_fold_rint_f64_06() #0 {
+; CHECK-LABEL: @constant_fold_rint_f64_06(
+; CHECK-NEXT:    ret double -3.000000e+00
+;
+  %x = call double @llvm.rint.f64(double -2.7) #0
+  ret double %x
+}
+
+attributes #0 = { nounwind readnone }