| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fmath-errno -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix YES %s |
| 2 | // RUN: %clang_cc1 -emit-llvm -o - %s -triple i386-unknown-unknown | FileCheck -check-prefix NO %s |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 3 | |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 4 | // CHECK-YES: define void @test_sqrt |
| 5 | // CHECK-NO: define void @test_sqrt |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 6 | void test_sqrt(float a0, double a1, long double a2) { |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 7 | // Following llvm-gcc's lead, we never emit these as intrinsics; |
| 8 | // no-math-errno isn't good enough. We could probably use intrinsics |
| 9 | // with appropriate guards if it proves worthwhile. |
| 10 | |
| 11 | // CHECK-YES: call float @sqrtf |
| 12 | // CHECK-NO: call float @sqrtf |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 13 | float l0 = sqrtf(a0); |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 14 | |
| 15 | // CHECK-YES: call double @sqrt |
| 16 | // CHECK-NO: call double @sqrt |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 17 | double l1 = sqrt(a1); |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 18 | |
| 19 | // CHECK-YES: call x86_fp80 @sqrtl |
| 20 | // CHECK-NO: call x86_fp80 @sqrtl |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 21 | long double l2 = sqrtl(a2); |
| 22 | } |
| 23 | |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 24 | // CHECK-YES: declare float @sqrtf(float) |
| 25 | // CHECK-YES: declare double @sqrt(double) |
| 26 | // CHECK-YES: declare x86_fp80 @sqrtl(x86_fp80) |
| 27 | // CHECK-NO: declare float @sqrtf(float) readnone |
| 28 | // CHECK-NO: declare double @sqrt(double) readnone |
| 29 | // CHECK-NO: declare x86_fp80 @sqrtl(x86_fp80) readnone |
| 30 | |
| 31 | // CHECK-YES: define void @test_pow |
| 32 | // CHECK-NO: define void @test_pow |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 33 | void test_pow(float a0, double a1, long double a2) { |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 34 | // CHECK-YES: call float @powf |
| 35 | // CHECK-NO: call float @llvm.pow.f32 |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 36 | float l0 = powf(a0, a0); |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 37 | |
| 38 | // CHECK-YES: call double @pow |
| 39 | // CHECK-NO: call double @llvm.pow.f64 |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 40 | double l1 = pow(a1, a1); |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 41 | |
| 42 | // CHECK-YES: call x86_fp80 @powl |
| 43 | // CHECK-NO: call x86_fp80 @llvm.pow.f80 |
| Daniel Dunbar | ef2abfe | 2009-02-16 22:43:43 +0000 | [diff] [blame] | 44 | long double l2 = powl(a2, a2); |
| 45 | } |
| John McCall | beb4128 | 2010-04-07 08:20:20 +0000 | [diff] [blame] | 46 | |
| 47 | // CHECK-YES: declare float @powf(float, float) |
| 48 | // CHECK-YES: declare double @pow(double, double) |
| 49 | // CHECK-YES: declare x86_fp80 @powl(x86_fp80, x86_fp80) |
| 50 | // CHECK-NO: declare float @llvm.pow.f32(float, float) nounwind readonly |
| 51 | // CHECK-NO: declare double @llvm.pow.f64(double, double) nounwind readonly |
| 52 | // CHECK-NO: declare x86_fp80 @llvm.pow.f80(x86_fp80, x86_fp80) nounwind readonly |