1 // RUN: %clang_cc1 -emit-llvm -triple x86_64-windows-pc -ffp-exception-behavior=maytrap -o - %s | FileCheck %s --check-prefixes=CHECK,FP16
2 // RUN: %clang_cc1 -emit-llvm -triple ppc64-be -ffp-exception-behavior=maytrap -o - %s | FileCheck %s --check-prefixes=CHECK,NOFP16
3
4 // test to ensure that these builtins don't do the variadic promotion of float->double.
5
6 // Test that the constrained intrinsics are picking up the exception
7 // metadata from the AST instead of the global default from the command line.
8
9 #pragma float_control(except, on)
10
11 // CHECK-LABEL: @test_half
test_half(__fp16 * H,__fp16 * H2)12 void test_half(__fp16 *H, __fp16 *H2) {
13 (void)__builtin_isgreater(*H, *H2);
14 // FP16: call float @llvm.experimental.constrained.fpext.f32.f16(half %{{.*}}, metadata !"fpexcept.strict")
15 // FP16: call float @llvm.experimental.constrained.fpext.f32.f16(half %{{.*}}, metadata !"fpexcept.strict")
16 // CHECK: call i1 @llvm.experimental.constrained.fcmp.f32(float %{{.*}}, float %{{.*}}, metadata !"ogt", metadata !"fpexcept.strict")
17 // CHECK-NEXT: zext i1
18 (void)__builtin_isinf(*H);
19 // NOFP16: call i1 @llvm.experimental.constrained.fcmp.f32(float %{{.*}}, float 0x7FF0000000000000, metadata !"oeq", metadata !"fpexcept.strict")
20 // FP16: call i1 @llvm.experimental.constrained.fcmp.f16(half %{{.*}}, half 0xH7C00, metadata !"oeq", metadata !"fpexcept.strict")
21 }
22
23 // CHECK-LABEL: @test_mixed
test_mixed(double d1,float f2)24 void test_mixed(double d1, float f2) {
25 (void)__builtin_isgreater(d1, f2);
26 // CHECK: [[CONV:%.*]] = call double @llvm.experimental.constrained.fpext.f64.f32(float %{{.*}}, metadata !"fpexcept.strict")
27 // CHECK-NEXT: call i1 @llvm.experimental.constrained.fcmp.f64(double %{{.*}}, double [[CONV]], metadata !"ogt", metadata !"fpexcept.strict")
28 // CHECK-NEXT: zext i1
29 (void)__builtin_isgreaterequal(d1, f2);
30 // CHECK: [[CONV:%.*]] = call double @llvm.experimental.constrained.fpext.f64.f32(float %{{.*}}, metadata !"fpexcept.strict")
31 // CHECK-NEXT: call i1 @llvm.experimental.constrained.fcmp.f64(double %{{.*}}, double [[CONV]], metadata !"oge", metadata !"fpexcept.strict")
32 // CHECK-NEXT: zext i1
33 (void)__builtin_isless(d1, f2);
34 // CHECK: [[CONV:%.*]] = call double @llvm.experimental.constrained.fpext.f64.f32(float %{{.*}}, metadata !"fpexcept.strict")
35 // CHECK-NEXT: call i1 @llvm.experimental.constrained.fcmp.f64(double %{{.*}}, double [[CONV]], metadata !"olt", metadata !"fpexcept.strict")
36 // CHECK-NEXT: zext i1
37 (void)__builtin_islessequal(d1, f2);
38 // CHECK: [[CONV:%.*]] = call double @llvm.experimental.constrained.fpext.f64.f32(float %{{.*}}, metadata !"fpexcept.strict")
39 // CHECK-NEXT: call i1 @llvm.experimental.constrained.fcmp.f64(double %{{.*}}, double [[CONV]], metadata !"ole", metadata !"fpexcept.strict")
40 // CHECK-NEXT: zext i1
41 (void)__builtin_islessgreater(d1, f2);
42 // CHECK: [[CONV:%.*]] = call double @llvm.experimental.constrained.fpext.f64.f32(float %{{.*}}, metadata !"fpexcept.strict")
43 // CHECK-NEXT: call i1 @llvm.experimental.constrained.fcmp.f64(double %{{.*}}, double [[CONV]], metadata !"one", metadata !"fpexcept.strict")
44 // CHECK-NEXT: zext i1
45 (void)__builtin_isunordered(d1, f2);
46 // CHECK: [[CONV:%.*]] = call double @llvm.experimental.constrained.fpext.f64.f32(float %{{.*}}, metadata !"fpexcept.strict")
47 // CHECK-NEXT: call i1 @llvm.experimental.constrained.fcmp.f64(double %{{.*}}, double [[CONV]], metadata !"uno", metadata !"fpexcept.strict")
48 // CHECK-NEXT: zext i1
49 }
50