1 // RUN: %clang_cc1 -triple riscv64 -frounding-math -ffp-exception-behavior=strict -fexperimental-strict-floating-point -emit-llvm -o - %s | FileCheck %s -check-prefix=FPMODELSTRICT
2 // RUN: %clang_cc1 -triple riscv64 -ffp-contract=fast -emit-llvm -o - %s | FileCheck %s -check-prefix=PRECISE
3 // RUN: %clang_cc1 -triple riscv64 -ffast-math -ffp-contract=fast -emit-llvm -o - %s | FileCheck %s -check-prefix=FAST
4 // RUN: %clang_cc1 -triple riscv64 -ffast-math -emit-llvm -o - %s | FileCheck %s -check-prefix=FASTNOCONTRACT
5 // RUN: %clang_cc1 -triple riscv64 -ffast-math -ffp-contract=fast -ffp-exception-behavior=ignore -emit-llvm -o - %s | FileCheck %s -check-prefix=FAST
6 // RUN: %clang_cc1 -triple riscv64 -ffast-math -ffp-contract=fast -ffp-exception-behavior=strict -fexperimental-strict-floating-point -emit-llvm -o - %s | FileCheck %s -check-prefix=EXCEPT
7 // RUN: %clang_cc1 -triple riscv64 -ffast-math -ffp-contract=fast -ffp-exception-behavior=maytrap -fexperimental-strict-floating-point -emit-llvm -o - %s | FileCheck %s -check-prefix=MAYTRAP
8
9 // Test strict-fp support in RISC-V.
10
11 float f0, f1, f2;
12
foo(void)13 void foo(void) {
14 // CHECK-LABEL: define {{.*}}void @foo()
15
16 // MAYTRAP: llvm.experimental.constrained.fadd.f32(float %{{.*}}, float %{{.*}}, metadata !"round.tonearest", metadata !"fpexcept.maytrap")
17 // EXCEPT: llvm.experimental.constrained.fadd.f32(float %{{.*}}, float %{{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
18 // FPMODELSTRICT: llvm.experimental.constrained.fadd.f32(float %{{.*}}, float %{{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
19 // STRICTEXCEPT: llvm.experimental.constrained.fadd.f32(float %{{.*}}, float %{{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
20 // STRICTNOEXCEPT: llvm.experimental.constrained.fadd.f32(float %{{.*}}, float %{{.*}}, metadata !"round.dynamic", metadata !"fpexcept.ignore")
21 // PRECISE: fadd contract float %{{.*}}, %{{.*}}
22 // FAST: fadd fast
23 // FASTNOCONTRACT: fadd reassoc nnan ninf nsz arcp afn float
24 f0 = f1 + f2;
25
26 // CHECK: ret
27 }
28