| ! Test for correct forwarding of fast-math flags from the compiler driver to the |
| ! frontend driver |
| |
| ! -Ofast => -ffast-math -O3 -fstack-arrays |
| ! RUN: %flang -Ofast -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-OFAST %s |
| ! CHECK-OFAST: -fc1 |
| ! CHECK-OFAST-SAME: -ffast-math |
| ! CHECK-OFAST-SAME: -fstack-arrays |
| ! CHECK-OFAST-SAME: -O3 |
| |
| ! RUN: %flang -fstack-arrays -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-STACK-ARRAYS %s |
| ! CHECK-STACK-ARRAYS: -fc1 |
| ! CHECK-STACK-ARRAYS-SAME: -fstack-arrays |
| |
| ! -Ofast -fno-fast-math => -O3 -fstack-arrays |
| ! RUN: %flang -Ofast -fno-fast-math -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-OFAST-NO-FAST %s |
| ! CHECK-OFAST-NO-FAST: -fc1 |
| ! CHECK-OFAST-NO-FAST-NOT: -ffast-math |
| ! CHECK-OFAST-NO-FAST-SAME: -fstack-arrays |
| ! CHECK-OFAST-NO-FAST-SAME: -O3 |
| |
| ! -Ofast -fno-stack-arrays -> -O3 -ffast-math |
| ! RUN: %flang -Ofast -fno-stack-arrays -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-OFAST-NO-SA %s |
| ! CHECK-OFAST-NO-SA: -fc1 |
| ! CHECK-OFAST-NO-SA-SAME: -ffast-math |
| ! CHECK-OFAST-NO-SA-NOT: -fstack-arrays |
| ! CHECK-OFAST-NO-SA-SAME: -O3 |
| |
| ! -ffast-math => -ffast-math |
| ! RUN: %flang -ffast-math -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-FFAST %s |
| ! CHECK-FFAST: -fc1 |
| ! CHECK-FFAST-SAME: -ffast-math |
| |
| ! (component flags) => -ffast-math |
| ! RUN: %flang -fsyntax-only -### %s -o %t \ |
| ! RUN: -fno-honor-infinities \ |
| ! RUN: -fno-honor-nans \ |
| ! RUN: -fassociative-math \ |
| ! RUN: -freciprocal-math \ |
| ! RUN: -fapprox-func \ |
| ! RUN: -fno-signed-zeros \ |
| ! RUN: -ffp-contract=fast \ |
| ! RUN: 2>&1 | FileCheck --check-prefix=CHECK-FROM-COMPS %s |
| ! CHECK-FROM-COMPS: -fc1 |
| ! CHECK-FROM-COMPS-SAME: -ffast-math |
| |
| ! -ffast-math (followed by an alteration) => (component flags) |
| ! RUN: %flang -ffast-math -fhonor-infinities -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-TO-COMPS %s |
| ! CHECK-TO-COMPS: -fc1 |
| ! CHECK-TO-COMPS-SAME: -ffp-contract=fast |
| ! CHECK-TO-COMPS-SAME: -menable-no-nans |
| ! CHECK-TO-COMPS-SAME: -fapprox-func |
| ! CHECK-TO-COMPS-SAME: -fno-signed-zeros |
| ! CHECK-TO-COMPS-SAME: -mreassociate |
| ! CHECK-TO-COMPS-SAME: -freciprocal-math |
| |
| ! Check that -fno-fast-math doesn't clobber -ffp-contract |
| ! RUN: %flang -ffp-contract=off -fno-fast-math -fsyntax-only -### %s -o %t 2>&1 \ |
| ! RUN: | FileCheck --check-prefix=CHECK-CONTRACT %s |
| ! CHECK-CONTRACT: -fc1 |
| ! CHECK-CONTRACT-SAME: -ffp-contract=off |
| |
| ! Check that -ffast-math causes us to link to crtfastmath.o |
| ! UNSUPPORTED: system-windows |
| ! UNSUPPORTED: target=powerpc{{.*}} |
| ! RUN: %flang -ffast-math -### %s -o %t 2>&1 \ |
| ! RUN: --target=x86_64-unknown-linux -no-pie \ |
| ! RUN: --sysroot=%S/../../../clang/test/Driver/Inputs/basic_linux_tree \ |
| ! RUN: | FileCheck --check-prefix=CHECK-CRT %s |
| ! CHECK-CRT: {{crtbegin.?\.o}} |
| ! CHECK-CRT-SAME: crtfastmath.o |
| ! CHECK-CRT-SAME: {{crtend.?\.o}} |