[clang] e7ab698 - HIP: Directly call nearbyint builtins

[Matt Arsenault via cfe-commits]

Author: Matt Arsenault
Date: 2023-07-25T07:56:31-04:00
New Revision: e7ab6982de87b14c9584e1267cd755561b4c063c

URL: https://github.com/llvm/llvm-project/commit/e7ab6982de87b14c9584e1267cd755561b4c063c
DIFF: https://github.com/llvm/llvm-project/commit/e7ab6982de87b14c9584e1267cd755561b4c063c.diff

LOG: HIP: Directly call nearbyint builtins

Added: 
    

Modified: 
    clang/lib/Headers/__clang_hip_math.h
    clang/test/Headers/__clang_hip_math.hip

Removed: 
    


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diff  --git a/clang/lib/Headers/__clang_hip_math.h b/clang/lib/Headers/__clang_hip_math.h
index c12777f0476f1b..a47dda3327f438 100644
--- a/clang/lib/Headers/__clang_hip_math.h
+++ b/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) {

diff  --git a/clang/test/Headers/__clang_hip_math.hip b/clang/test/Headers/__clang_hip_math.hip
index aa31654deccc43..85d559f161da92 100644
--- a/clang/test/Headers/__clang_hip_math.hip
+++ b/clang/test/Headers/__clang_hip_math.hip
@@ -1996,13 +1996,13 @@ 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);
@@ -2010,13 +2010,13 @@ extern "C" __device__ float test_nearbyintf(float 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);