HIP: Directly call nearbyint builtins

Author: arsenm

clang/lib/Headers/__clang_hip_math.h

@@ -369,7 +369,7 @@ float nanf(const char *__tagp __attribute__((nonnull))) {
 }
 
 __DEVICE__
-float nearbyintf(float __x) { return __ocml_nearbyint_f32(__x); }
+float nearbyintf(float __x) { return __builtin_nearbyintf(__x); }
 
 __DEVICE__
 float nextafterf(float __x, float __y) {
@@ -925,7 +925,7 @@ double nan(const char *__tagp) {
 }
 
 __DEVICE__
-double nearbyint(double __x) { return __ocml_nearbyint_f64(__x); }
+double nearbyint(double __x) { return __builtin_nearbyint(__x); }
 
 __DEVICE__
 double nextafter(double __x, double __y) {

clang/test/Headers/__clang_hip_math.hip

@@ -1996,27 +1996,27 @@ extern "C" __device__ double test_nan_fill() {
 
 // DEFAULT-LABEL: @test_nearbyintf(
 // DEFAULT-NEXT:  entry:
-// DEFAULT-NEXT:    [[CALL_I:%.*]] = tail call contract float @__ocml_nearbyint_f32(float noundef [[X:%.*]]) #[[ATTR14]]
-// DEFAULT-NEXT:    ret float [[CALL_I]]
+// DEFAULT-NEXT:    [[TMP0:%.*]] = tail call contract float @llvm.nearbyint.f32(float [[X:%.*]])
+// DEFAULT-NEXT:    ret float [[TMP0]]
 //
 // FINITEONLY-LABEL: @test_nearbyintf(
 // FINITEONLY-NEXT:  entry:
-// FINITEONLY-NEXT:    [[CALL_I:%.*]] = tail call nnan ninf contract nofpclass(nan inf) float @__ocml_nearbyint_f32(float noundef nofpclass(nan inf) [[X:%.*]]) #[[ATTR14]]
-// FINITEONLY-NEXT:    ret float [[CALL_I]]
+// FINITEONLY-NEXT:    [[TMP0:%.*]] = tail call nnan ninf contract float @llvm.nearbyint.f32(float [[X:%.*]])
+// FINITEONLY-NEXT:    ret float [[TMP0]]
 //
 extern "C" __device__ float test_nearbyintf(float x) {
   return nearbyintf(x);
 }
 
 // DEFAULT-LABEL: @test_nearbyint(
 // DEFAULT-NEXT:  entry:
-// DEFAULT-NEXT:    [[CALL_I:%.*]] = tail call contract double @__ocml_nearbyint_f64(double noundef [[X:%.*]]) #[[ATTR14]]
-// DEFAULT-NEXT:    ret double [[CALL_I]]
+// DEFAULT-NEXT:    [[TMP0:%.*]] = tail call contract double @llvm.nearbyint.f64(double [[X:%.*]])
+// DEFAULT-NEXT:    ret double [[TMP0]]
 //
 // FINITEONLY-LABEL: @test_nearbyint(
 // FINITEONLY-NEXT:  entry:
-// FINITEONLY-NEXT:    [[CALL_I:%.*]] = tail call nnan ninf contract nofpclass(nan inf) double @__ocml_nearbyint_f64(double noundef nofpclass(nan inf) [[X:%.*]]) #[[ATTR14]]
-// FINITEONLY-NEXT:    ret double [[CALL_I]]
+// FINITEONLY-NEXT:    [[TMP0:%.*]] = tail call nnan ninf contract double @llvm.nearbyint.f64(double [[X:%.*]])
+// FINITEONLY-NEXT:    ret double [[TMP0]]
 //
 extern "C" __device__ double test_nearbyint(double x) {
   return nearbyint(x);