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Nov 17, 2025
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[clang] Support constrained fp elementwise builtins #166905

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4e1ffa0
[clang] Support constrained fp elementwise builtins
ficol Nov 7, 2025
1590273
fix tests
ficol Nov 7, 2025
e72e3d6
Merge branch 'main' into constrained-elemwise-builtins
ficol Nov 12, 2025
3200deb
break for exp10 with FPConstrained
ficol Nov 13, 2025
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124 changes: 35 additions & 89 deletions clang/lib/CodeGen/CGBuiltin.cpp
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16 changes: 8 additions & 8 deletions clang/test/CodeGen/constrained-math-builtins.c
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Expand Up @@ -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 @exp10(double noundef %{{.*}})
// CHECK: call float @exp10f(float noundef %{{.*}})
// CHECK: call x86_fp80 @exp10l(x86_fp80 noundef %{{.*}})
// CHECK: call fp128 @exp10f128(fp128 noundef %{{.*}})
// 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 %{{.*}})

__builtin_floor(f); __builtin_floorf(f); __builtin_floorl(f); __builtin_floorf128(f);

Expand Down Expand Up @@ -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 @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.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 @llvm.experimental.constrained.floor.f64(double, metadata)
// CHECK: declare float @llvm.experimental.constrained.floor.f32(float, metadata)
Expand Down
168 changes: 74 additions & 94 deletions clang/test/CodeGen/strictfp-elementwise-builtins.cpp
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80 changes: 40 additions & 40 deletions clang/test/CodeGenHLSL/builtins/exp-overloads.hlsl
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Expand Up @@ -3,86 +3,86 @@
// RUN: FileCheck %s --check-prefixes=CHECK

// CHECK-LABEL: define hidden noundef nofpclass(nan inf) float {{.*}}test_exp_double
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float [[EXP]]
float test_exp_double(double p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> {{.*}}test_exp_double2
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> [[EXP]]
float2 test_exp_double2(double2 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> {{.*}}test_exp_double3
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> [[EXP]]
float3 test_exp_double3(double3 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> {{.*}}test_exp_double4
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> [[EXP]]
float4 test_exp_double4(double4 p0) { return exp(p0); }

// CHECK-LABEL: define hidden noundef nofpclass(nan inf) float {{.*}}test_exp_int
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float [[EXP]]
float test_exp_int(int p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> {{.*}}test_exp_int2
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> [[EXP]]
float2 test_exp_int2(int2 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> {{.*}}test_exp_int3
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> [[EXP]]
float3 test_exp_int3(int3 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> {{.*}}test_exp_int4
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> [[EXP]]
float4 test_exp_int4(int4 p0) { return exp(p0); }

// CHECK-LABEL: define hidden noundef nofpclass(nan inf) float {{.*}}test_exp_uint
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float [[EXP]]
float test_exp_uint(uint p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> {{.*}}test_exp_uint2
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> [[EXP]]
float2 test_exp_uint2(uint2 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> {{.*}}test_exp_uint3
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> [[EXP]]
float3 test_exp_uint3(uint3 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> {{.*}}test_exp_uint4
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> [[EXP]]
float4 test_exp_uint4(uint4 p0) { return exp(p0); }

// CHECK-LABEL: define hidden noundef nofpclass(nan inf) float {{.*}}test_exp_int64_t
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float [[EXP]]
float test_exp_int64_t(int64_t p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> {{.*}}test_exp_int64_t2
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> [[EXP]]
float2 test_exp_int64_t2(int64_t2 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> {{.*}}test_exp_int64_t3
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> [[EXP]]
float3 test_exp_int64_t3(int64_t3 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> {{.*}}test_exp_int64_t4
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> [[EXP]]
float4 test_exp_int64_t4(int64_t4 p0) { return exp(p0); }

// CHECK-LABEL: define hidden noundef nofpclass(nan inf) float {{.*}}test_exp_uint64_t
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float [[EXP]]
float test_exp_uint64_t(uint64_t p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> {{.*}}test_exp_uint64_t2
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> [[EXP]]
float2 test_exp_uint64_t2(uint64_t2 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> {{.*}}test_exp_uint64_t3
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> [[EXP]]
float3 test_exp_uint64_t3(uint64_t3 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> {{.*}}test_exp_uint64_t4
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> [[EXP]]
float4 test_exp_uint64_t4(uint64_t4 p0) { return exp(p0); }
48 changes: 24 additions & 24 deletions clang/test/CodeGenHLSL/builtins/exp.hlsl
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Expand Up @@ -6,47 +6,47 @@
// RUN: FileCheck %s --check-prefixes=CHECK,NO_HALF

// NATIVE_HALF-LABEL: define hidden noundef nofpclass(nan inf) half @_Z13test_exp_half
// NATIVE_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn half @llvm.exp.f16(
// NATIVE_HALF: ret half %elt.exp
// NATIVE_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn half @llvm.exp.f16(
// NATIVE_HALF: ret half [[EXP]]
// NO_HALF-LABEL: define hidden noundef nofpclass(nan inf) float @_Z13test_exp_half
// NO_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// NO_HALF: ret float %elt.exp
// NO_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// NO_HALF: ret float [[EXP]]
half test_exp_half(half p0) { return exp(p0); }
// NATIVE_HALF-LABEL: define hidden noundef nofpclass(nan inf) <2 x half> @_Z14test_exp_half2
// NATIVE_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x half> @llvm.exp.v2f16
// NATIVE_HALF: ret <2 x half> %elt.exp
// NATIVE_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x half> @llvm.exp.v2f16
// NATIVE_HALF: ret <2 x half> [[EXP]]
// NO_HALF-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> @_Z14test_exp_half2
// NO_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32(
// NO_HALF: ret <2 x float> %elt.exp
// NO_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32(
// NO_HALF: ret <2 x float> [[EXP]]
half2 test_exp_half2(half2 p0) { return exp(p0); }
// NATIVE_HALF-LABEL: define hidden noundef nofpclass(nan inf) <3 x half> @_Z14test_exp_half3
// NATIVE_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x half> @llvm.exp.v3f16
// NATIVE_HALF: ret <3 x half> %elt.exp
// NATIVE_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x half> @llvm.exp.v3f16
// NATIVE_HALF: ret <3 x half> [[EXP]]
// NO_HALF-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> @_Z14test_exp_half3
// NO_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32(
// NO_HALF: ret <3 x float> %elt.exp
// NO_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32(
// NO_HALF: ret <3 x float> [[EXP]]
half3 test_exp_half3(half3 p0) { return exp(p0); }
// NATIVE_HALF-LABEL: define hidden noundef nofpclass(nan inf) <4 x half> @_Z14test_exp_half4
// NATIVE_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x half> @llvm.exp.v4f16
// NATIVE_HALF: ret <4 x half> %elt.exp
// NATIVE_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x half> @llvm.exp.v4f16
// NATIVE_HALF: ret <4 x half> [[EXP]]
// NO_HALF-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> @_Z14test_exp_half4
// NO_HALF: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32(
// NO_HALF: ret <4 x float> %elt.exp
// NO_HALF: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32(
// NO_HALF: ret <4 x float> [[EXP]]
half4 test_exp_half4(half4 p0) { return exp(p0); }

// CHECK-LABEL: define hidden noundef nofpclass(nan inf) float @_Z14test_exp_float
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn float @llvm.exp.f32(
// CHECK: ret float [[EXP:%.*]]
float test_exp_float(float p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <2 x float> @_Z15test_exp_float2
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.exp.v2f32
// CHECK: ret <2 x float> [[EXP]]
float2 test_exp_float2(float2 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <3 x float> @_Z15test_exp_float3
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <3 x float> @llvm.exp.v3f32
// CHECK: ret <3 x float> [[EXP]]
float3 test_exp_float3(float3 p0) { return exp(p0); }
// CHECK-LABEL: define hidden noundef nofpclass(nan inf) <4 x float> @_Z15test_exp_float4
// CHECK: %elt.exp = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> %elt.exp
// CHECK: [[EXP:%.*]] = call reassoc nnan ninf nsz arcp afn <4 x float> @llvm.exp.v4f32
// CHECK: ret <4 x float> [[EXP]]
float4 test_exp_float4(float4 p0) { return exp(p0); }
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