304f1d59ca
This switches everything to use the memory attribute proposed in https://discourse.llvm.org/t/rfc-unify-memory-effect-attributes/65579. The old argmemonly, inaccessiblememonly and inaccessiblemem_or_argmemonly attributes are dropped. The readnone, readonly and writeonly attributes are restricted to parameters only. The old attributes are auto-upgraded both in bitcode and IR. The bitcode upgrade is a policy requirement that has to be retained indefinitely. The IR upgrade is mainly there so it's not necessary to update all tests using memory attributes in this patch, which is already large enough. We could drop that part after migrating tests, or retain it longer term, to make it easier to import IR from older LLVM versions. High-level Function/CallBase APIs like doesNotAccessMemory() or setDoesNotAccessMemory() are mapped transparently to the memory attribute. Code that directly manipulates attributes (e.g. via AttributeList) on the other hand needs to switch to working with the memory attribute instead. Differential Revision: https://reviews.llvm.org/D135780
129 lines
5.9 KiB
C
129 lines
5.9 KiB
C
// RUN: %clang_cc1 -Wno-implicit-function-declaration -fmath-errno -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-YES %s
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// RUN: %clang_cc1 -Wno-implicit-function-declaration -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-NO %s
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// RUN: %clang_cc1 -Wno-implicit-function-declaration -funsafe-math-optimizations -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix CHECK-FAST %s
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// CHECK-YES-LABEL: define{{.*}} void @test_sqrt
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// CHECK-NO-LABEL: define{{.*}} void @test_sqrt
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// CHECK-FAST-LABEL: define{{.*}} void @test_sqrt
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void test_sqrt(float a0, double a1, long double a2) {
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// CHECK-YES: call float @sqrtf
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// CHECK-NO: call float @llvm.sqrt.f32(float
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// CHECK-FAST: call reassoc nsz arcp afn float @llvm.sqrt.f32(float
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float l0 = sqrtf(a0);
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// CHECK-YES: call double @sqrt
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// CHECK-NO: call double @llvm.sqrt.f64(double
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// CHECK-FAST: call reassoc nsz arcp afn double @llvm.sqrt.f64(double
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double l1 = sqrt(a1);
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// CHECK-YES: call x86_fp80 @sqrtl
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// CHECK-NO: call x86_fp80 @llvm.sqrt.f80(x86_fp80
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// CHECK-FAST: call reassoc nsz arcp afn x86_fp80 @llvm.sqrt.f80(x86_fp80
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long double l2 = sqrtl(a2);
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}
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// CHECK-YES: declare float @sqrtf(float noundef)
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// CHECK-YES: declare double @sqrt(double noundef)
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// CHECK-YES: declare x86_fp80 @sqrtl(x86_fp80 noundef)
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// CHECK-NO: declare float @llvm.sqrt.f32(float)
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// CHECK-NO: declare double @llvm.sqrt.f64(double)
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// CHECK-NO: declare x86_fp80 @llvm.sqrt.f80(x86_fp80)
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// CHECK-FAST: declare float @llvm.sqrt.f32(float)
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// CHECK-FAST: declare double @llvm.sqrt.f64(double)
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// CHECK-FAST: declare x86_fp80 @llvm.sqrt.f80(x86_fp80)
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// CHECK-YES-LABEL: define{{.*}} void @test_pow
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// CHECK-NO-LABEL: define{{.*}} void @test_pow
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void test_pow(float a0, double a1, long double a2) {
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// CHECK-YES: call float @powf
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// CHECK-NO: call float @llvm.pow.f32
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float l0 = powf(a0, a0);
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// CHECK-YES: call double @pow
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// CHECK-NO: call double @llvm.pow.f64
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double l1 = pow(a1, a1);
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// CHECK-YES: call x86_fp80 @powl
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// CHECK-NO: call x86_fp80 @llvm.pow.f80
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long double l2 = powl(a2, a2);
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}
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// CHECK-YES: declare float @powf(float noundef, float noundef)
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// CHECK-YES: declare double @pow(double noundef, double noundef)
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// CHECK-YES: declare x86_fp80 @powl(x86_fp80 noundef, x86_fp80 noundef)
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// CHECK-NO: declare float @llvm.pow.f32(float, float) [[NUW_RNI:#[0-9]+]]
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// CHECK-NO: declare double @llvm.pow.f64(double, double) [[NUW_RNI]]
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// CHECK-NO: declare x86_fp80 @llvm.pow.f80(x86_fp80, x86_fp80) [[NUW_RNI]]
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// CHECK-YES-LABEL: define{{.*}} void @test_fma
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// CHECK-NO-LABEL: define{{.*}} void @test_fma
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void test_fma(float a0, double a1, long double a2) {
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// CHECK-YES: call float @fmaf
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// CHECK-NO: call float @llvm.fma.f32
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float l0 = fmaf(a0, a0, a0);
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// CHECK-YES: call double @fma
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// CHECK-NO: call double @llvm.fma.f64
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double l1 = fma(a1, a1, a1);
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// CHECK-YES: call x86_fp80 @fmal
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// CHECK-NO: call x86_fp80 @llvm.fma.f80
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long double l2 = fmal(a2, a2, a2);
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}
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// CHECK-YES: declare float @fmaf(float noundef, float noundef, float noundef)
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// CHECK-YES: declare double @fma(double noundef, double noundef, double noundef)
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// CHECK-YES: declare x86_fp80 @fmal(x86_fp80 noundef, x86_fp80 noundef, x86_fp80 noundef)
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// CHECK-NO: declare float @llvm.fma.f32(float, float, float) [[NUW_RN2:#[0-9]+]]
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// CHECK-NO: declare double @llvm.fma.f64(double, double, double) [[NUW_RN2]]
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// CHECK-NO: declare x86_fp80 @llvm.fma.f80(x86_fp80, x86_fp80, x86_fp80) [[NUW_RN2]]
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// Just checking to make sure these library functions are marked readnone
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void test_builtins(double d, float f, long double ld) {
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// CHECK-NO: @test_builtins
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// CHECK-YES: @test_builtins
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double atan_ = atan(d);
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long double atanl_ = atanl(ld);
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float atanf_ = atanf(f);
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// CHECK-NO: declare double @atan(double noundef) [[NUW_RN:#[0-9]+]]
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// CHECK-NO: declare x86_fp80 @atanl(x86_fp80 noundef) [[NUW_RN]]
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// CHECK-NO: declare float @atanf(float noundef) [[NUW_RN]]
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// CHECK-YES: declare double @atan(double noundef) [[NUW:#[0-9]+]]
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// CHECK-YES: declare x86_fp80 @atanl(x86_fp80 noundef) [[NUW]]
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// CHECK-YES: declare float @atanf(float noundef) [[NUW]]
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double atan2_ = atan2(d, 2);
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long double atan2l_ = atan2l(ld, ld);
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float atan2f_ = atan2f(f, f);
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// CHECK-NO: declare double @atan2(double noundef, double noundef) [[NUW_RN]]
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// CHECK-NO: declare x86_fp80 @atan2l(x86_fp80 noundef, x86_fp80 noundef) [[NUW_RN]]
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// CHECK-NO: declare float @atan2f(float noundef, float noundef) [[NUW_RN]]
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// CHECK-YES: declare double @atan2(double noundef, double noundef) [[NUW]]
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// CHECK-YES: declare x86_fp80 @atan2l(x86_fp80 noundef, x86_fp80 noundef) [[NUW]]
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// CHECK-YES: declare float @atan2f(float noundef, float noundef) [[NUW]]
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double exp_ = exp(d);
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long double expl_ = expl(ld);
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float expf_ = expf(f);
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// CHECK-NO: declare double @llvm.exp.f64(double) [[NUW_RNI]]
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// CHECK-NO: declare x86_fp80 @llvm.exp.f80(x86_fp80) [[NUW_RNI]]
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// CHECK-NO: declare float @llvm.exp.f32(float) [[NUW_RNI]]
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// CHECK-YES: declare double @exp(double noundef) [[NUW]]
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// CHECK-YES: declare x86_fp80 @expl(x86_fp80 noundef) [[NUW]]
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// CHECK-YES: declare float @expf(float noundef) [[NUW]]
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double log_ = log(d);
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long double logl_ = logl(ld);
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float logf_ = logf(f);
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// CHECK-NO: declare double @llvm.log.f64(double) [[NUW_RNI]]
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// CHECK-NO: declare x86_fp80 @llvm.log.f80(x86_fp80) [[NUW_RNI]]
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// CHECK-NO: declare float @llvm.log.f32(float) [[NUW_RNI]]
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// CHECK-YES: declare double @log(double noundef) [[NUW]]
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// CHECK-YES: declare x86_fp80 @logl(x86_fp80 noundef) [[NUW]]
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// CHECK-YES: declare float @logf(float noundef) [[NUW]]
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}
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// CHECK-YES: attributes [[NUW]] = { nounwind "frame-pointer"="none" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+x87" }
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// CHECK-NO-DAG: attributes [[NUW_RN]] = { nounwind willreturn memory(none){{.*}} }
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// CHECK-NO-DAG: attributes [[NUW_RNI]] = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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