break for exp10 with FPConstrained

Author: ficol

clang/lib/CodeGen/CGBuiltin.cpp

@@ -2847,10 +2847,13 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
     case Builtin::BI__builtin_exp10f16:
     case Builtin::BI__builtin_exp10l:
     case Builtin::BI__builtin_exp10f128:
-    case Builtin::BI__builtin_elementwise_exp10:
+    case Builtin::BI__builtin_elementwise_exp10: {
       // TODO: strictfp support
+      if (Builder.getIsFPConstrained())
+        break;
       return RValue::get(
           emitBuiltinWithOneOverloadedType<1>(*this, E, Intrinsic::exp10));
+    }
     case Builtin::BIfabs:
     case Builtin::BIfabsf:
     case Builtin::BIfabsl:

clang/test/CodeGen/constrained-math-builtins.c

@@ -101,10 +101,10 @@ __builtin_atan2(f,f);        __builtin_atan2f(f,f);       __builtin_atan2l(f,f);
 
   __builtin_exp10(f);       __builtin_exp10f(f);      __builtin_exp10l(f); __builtin_exp10f128(f);
 
-// CHECK: call double @llvm.exp10.f64(double %{{.*}})
-// CHECK: call float @llvm.exp10.f32(float %{{.*}})
-// CHECK: call x86_fp80 @llvm.exp10.f80(x86_fp80 %{{.*}})
-// CHECK: call fp128 @llvm.exp10.f128(fp128 %{{.*}})
+// CHECK: call double @exp10(double noundef %{{.*}})
+// CHECK: call float @exp10f(float noundef %{{.*}})
+// CHECK: call x86_fp80 @exp10l(x86_fp80 noundef %{{.*}})
+// CHECK: call fp128 @exp10f128(fp128 noundef %{{.*}})
 
   __builtin_floor(f);      __builtin_floorf(f);     __builtin_floorl(f); __builtin_floorf128(f);
 
@@ -287,10 +287,10 @@ __builtin_atan2(f,f);        __builtin_atan2f(f,f);       __builtin_atan2l(f,f);
 // CHECK: declare x86_fp80 @llvm.experimental.constrained.exp2.f80(x86_fp80, metadata, metadata)
 // CHECK: declare fp128 @llvm.experimental.constrained.exp2.f128(fp128, metadata, metadata)
 
-// CHECK: declare double @llvm.exp10.f64(double)
-// CHECK: declare float @llvm.exp10.f32(float)
-// CHECK: declare x86_fp80 @llvm.exp10.f80(x86_fp80)
-// CHECK: declare fp128 @llvm.exp10.f128(fp128)
+// CHECK: declare double @exp10(double noundef)
+// CHECK: declare float @exp10f(float noundef)
+// CHECK: declare x86_fp80 @exp10l(x86_fp80 noundef)
+// CHECK: declare fp128 @exp10f128(fp128 noundef)
 
 // CHECK: declare double @llvm.experimental.constrained.floor.f64(double, metadata)
 // CHECK: declare float @llvm.experimental.constrained.floor.f32(float, metadata)

clang/test/CodeGen/strictfp-elementwise-builtins.cpp

@@ -127,16 +127,6 @@ float4 strict_elementwise_exp2(float4 a) {
   return __builtin_elementwise_exp2(a);
 }
 
-// CHECK-LABEL: define dso_local noundef <4 x float> @_Z24strict_elementwise_exp10Dv4_f
-// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
-// CHECK-NEXT:  entry:
-// CHECK-NEXT:    [[TMP0:%.*]] = tail call <4 x float> @llvm.exp10.v4f32(<4 x float> [[A]]) #[[ATTR4]]
-// CHECK-NEXT:    ret <4 x float> [[TMP0]]
-//
-float4 strict_elementwise_exp10(float4 a) {
-  return __builtin_elementwise_exp10(a);
-}
-
 // CHECK-LABEL: define dso_local noundef <4 x float> @_Z24strict_elementwise_floorDv4_f
 // CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR0]] {
 // CHECK-NEXT:  entry: