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// RUN: %clang_cc1 -fexperimental-strict-floating-point -ffp-exception-behavior=strict -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck --check-prefixes=CHECK,STRICT %s
// RUN: %clang_cc1 -fexperimental-strict-floating-point -ffp-exception-behavior=strict -triple %itanium_abi_triple -emit-llvm %s -o - -fms-extensions -DMS | FileCheck --check-prefixes=CHECK,STRICT %s
// RUN: %clang_cc1 -fexperimental-strict-floating-point -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck --check-prefixes=CHECK,DEFAULT %s
float func_00(float x, float y) {
return x + y;
}
// CHECK-LABEL: @func_00
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// DEFAULT: fadd float
#ifdef MS
#pragma fenv_access (on)
#else
#pragma STDC FENV_ACCESS ON
#endif
float func_01(float x, float y) {
return x + y;
}
// CHECK-LABEL: @func_01
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
float func_02(float x, float y) {
#pragma float_control(except, off)
#pragma STDC FENV_ACCESS OFF
return x + y;
}
// CHECK-LABEL: @func_02
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
float func_03(float x, float y) {
return x + y;
}
// CHECK-LABEL: @func_03
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
#ifdef MS
#pragma fenv_access (off)
#else
#pragma STDC FENV_ACCESS OFF
#endif
float func_04(float x, float y) {
#pragma float_control(except, off)
return x + y;
}
// CHECK-LABEL: @func_04
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
// DEFAULT: fadd float
float func_04a(float x, float y) {
#pragma float_control(except, on)
return x + y;
}
// CHECK-LABEL: @func_04a
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
float func_05(float x, float y) {
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_05
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
float func_06(float x, float y) {
#pragma float_control(except, off)
return x + y;
}
// CHECK-LABEL: @func_06
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
// DEFAULT: fadd float
float func_07(float x, float y) {
x -= y;
if (x) {
#pragma STDC FENV_ACCESS ON
y *= 2.0F;
}
return y + 4.0F;
}
// CHECK-LABEL: @func_07
// STRICT: call float @llvm.experimental.constrained.fsub.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// STRICT: call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fsub.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
// DEFAULT: call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
float func_08(float x, float y) {
#pragma STDC FENV_ROUND FE_UPWARD
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_08
// CHECK: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.upward", metadata !"fpexcept.strict")
float func_09(float x, float y) {
#pragma STDC FENV_ROUND FE_TONEAREST
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_09
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
float func_10(float x, float y) {
#pragma STDC FENV_ROUND FE_TONEAREST
#pragma clang fp exceptions(ignore)
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_10
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
float func_11(float x, float y) {
#pragma STDC FENV_ROUND FE_TONEAREST
#pragma clang fp exceptions(ignore)
#pragma STDC FENV_ACCESS OFF
return x + y;
}
// CHECK-LABEL: @func_11
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
// DEFAULT: fadd float
float func_12(float x, float y) {
#pragma clang fp exceptions(maytrap)
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_12
// CHECK: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.dynamic", metadata !"fpexcept.maytrap")
float func_13(float x, float y) {
#pragma clang fp exceptions(maytrap)
#pragma STDC FENV_ROUND FE_UPWARD
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_13
// CHECK: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.upward", metadata !"fpexcept.maytrap")
float func_14(float x, float y, float z) {
#pragma STDC FENV_ACCESS ON
float res = x * y;
{
#pragma STDC FENV_ACCESS OFF
return res + z;
}
}
// CHECK-LABEL: @func_14
// STRICT: call float @llvm.experimental.constrained.fmul.f32({{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
// STRICT: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fmul.f32({{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
float func_15(float x, float y, float z) {
#pragma STDC FENV_ROUND FE_TOWARDZERO
#pragma STDC FENV_ACCESS ON
float res = x * y;
{
#pragma STDC FENV_ACCESS OFF
return res + z;
}
}
// CHECK-LABEL: @func_15
// STRICT: call float @llvm.experimental.constrained.fmul.f32({{.*}}, metadata !"round.towardzero", metadata !"fpexcept.strict")
// STRICT: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.towardzero", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fmul.f32({{.*}}, metadata !"round.towardzero", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fadd.f32({{.*}}, metadata !"round.towardzero", metadata !"fpexcept.ignore")
float func_16(float x, float y) {
x -= y;
{
#pragma STDC FENV_ROUND FE_TONEAREST
#pragma STDC FENV_ACCESS ON
y *= 2.0F;
}
{
#pragma STDC FENV_ACCESS ON
return y + 4.0F;
}
}
// CHECK-LABEL: @func_16
// STRICT: call float @llvm.experimental.constrained.fsub.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// STRICT: call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fsub.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.ignore")
// DEFAULT: call float @llvm.experimental.constrained.fmul.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// DEFAULT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
float func_17(float x, float y) {
#pragma STDC FENV_ROUND FE_DYNAMIC
#pragma STDC FENV_ACCESS ON
return x + y;
}
// CHECK-LABEL: @func_17
// CHECK: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.dynamic", metadata !"fpexcept.strict")
float func_18(float x, float y) {
#pragma STDC FENV_ROUND FE_DYNAMIC
return x + y;
}
// CHECK-LABEL: @func_18
// STRICT: call float @llvm.experimental.constrained.fadd.f32(float {{.*}}, float {{.*}}, metadata !"round.tonearest", metadata !"fpexcept.strict")
// DEFAULT: fadd float
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