6b8d659062
Now that tbaa tags pass is enabled by default, I would like to remove these flags. `-fno-alias-analysis` was originally intended to be useful for debugging, but as it also disables tbaa tag generation in codegen, it turned out to be too noisy. @banach-space expressed that these flags felt too non-standard. The tbaa tags pass can be toggled using `-mllvm -disable-fir-alias-tags=0`
29 lines
1.6 KiB
Fortran
29 lines
1.6 KiB
Fortran
! Check that tbaa tags are enabled and disabled with optimization flags as expected
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! See flang/test/Fir/tbaa-codegen.fir for a test that the output is correct
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! RUN: %flang -c -emit-llvm -Ofast %s -o - | llvm-dis | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -c -emit-llvm -O3 %s -o - | llvm-dis | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -c -emit-llvm -O2 %s -o - | llvm-dis | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -c -emit-llvm -O1 %s -o - | llvm-dis | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -c -emit-llvm -O0 %s -o - | llvm-dis | FileCheck %s --check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
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! RUN: %flang -c -emit-llvm %s -o - | llvm-dis | FileCheck %s --check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
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! RUN: %flang -fc1 -emit-llvm -O3 %s -o - | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -fc1 -emit-llvm -O2 %s -o - | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -fc1 -emit-llvm -O1 %s -o - | FileCheck %s --check-prefix=CHECK-AA --check-prefix=CHECK-ALL
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! RUN: %flang -fc1 -emit-llvm -O0 %s -o - | FileCheck %s --check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
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! RUN: %flang -fc1 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
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subroutine simple(a)
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integer, intent(inout) :: a(:)
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a(1) = a(2)
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end subroutine
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! CHECK-ALL-LABEL: define void @simple
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! CHECK-ALL: ret
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! CHECK-ALL: }
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! CHECK-AA: ![[ROOT:.*]] = !{!"Flang function root _QPsimple"}
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! CHECK-NOAA-NOT: ![[ROOT:.*]] = !{!"Flang function root _QPsimple"}
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