mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2025-04-18 06:10:37 +00:00
7b61dc7a23
After clarification about the C standard, POSIX, and implementations:
The C standard allows errno-setting, and it's (unfortunately for optimization) even
more clearly stated in the newer additions to the standards.
We can leave these functions as always constant ('c') because they don't
actually do any math and therefore won't set errno:
cimag ( http://en.cppreference.com/w/c/numeric/complex/cimag )
creal ( http://en.cppreference.com/w/c/numeric/complex/creal )
cproj ( http://en.cppreference.com/w/c/numeric/complex/cproj )
conj (http://en.cppreference.com/w/c/numeric/complex/conj )
Differential Revision: https://reviews.llvm.org/D39611
llvm-svn: 318598
209 lines
12 KiB
C
209 lines
12 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -w -S -o - -emit-llvm %s | FileCheck %s -check-prefix=NO__ERRNO
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// RUN: %clang_cc1 -triple x86_64-unknown-unknown -w -S -o - -emit-llvm -fmath-errno %s | FileCheck %s -check-prefix=HAS_ERRNO
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// Test attributes and builtin codegen of complex library calls.
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void foo(float f) {
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cabs(f); cabsf(f); cabsl(f);
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// NO__ERRNO: declare double @cabs(double, double) [[READNONE:#[0-9]+]]
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// NO__ERRNO: declare float @cabsf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare x86_fp80 @cabsl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE:#[0-9]+]]
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// HAS_ERRNO: declare double @cabs(double, double) [[NOT_READNONE:#[0-9]+]]
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// HAS_ERRNO: declare float @cabsf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare x86_fp80 @cabsl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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cacos(f); cacosf(f); cacosl(f);
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// NO__ERRNO: declare { double, double } @cacos(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @cacosf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @cacosl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @cacos(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @cacosf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @cacosl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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cacosh(f); cacoshf(f); cacoshl(f);
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// NO__ERRNO: declare { double, double } @cacosh(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @cacoshf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @cacoshl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @cacosh(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @cacoshf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @cacoshl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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carg(f); cargf(f); cargl(f);
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// NO__ERRNO: declare double @carg(double, double) [[READNONE]]
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// NO__ERRNO: declare float @cargf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare x86_fp80 @cargl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare double @carg(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare float @cargf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare x86_fp80 @cargl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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casin(f); casinf(f); casinl(f);
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// NO__ERRNO: declare { double, double } @casin(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @casinf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @casinl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @casin(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @casinf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @casinl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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casinh(f); casinhf(f); casinhl(f);
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// NO__ERRNO: declare { double, double } @casinh(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @casinhf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @casinhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @casinh(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @casinhf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @casinhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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catan(f); catanf(f); catanl(f);
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// NO__ERRNO: declare { double, double } @catan(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @catanf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @catanl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @catan(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @catanf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @catanl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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catanh(f); catanhf(f); catanhl(f);
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// NO__ERRNO: declare { double, double } @catanh(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @catanhf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @catanhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @catanh(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @catanhf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @catanhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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ccos(f); ccosf(f); ccosl(f);
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// NO__ERRNO: declare { double, double } @ccos(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @ccosf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @ccosl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @ccos(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @ccosf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @ccosl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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ccosh(f); ccoshf(f); ccoshl(f);
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// NO__ERRNO: declare { double, double } @ccosh(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @ccoshf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @ccoshl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @ccosh(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @ccoshf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @ccoshl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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cexp(f); cexpf(f); cexpl(f);
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// NO__ERRNO: declare { double, double } @cexp(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @cexpf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @cexpl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @cexp(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @cexpf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @cexpl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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cimag(f); cimagf(f); cimagl(f);
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// NO__ERRNO-NOT: .cimag
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// NO__ERRNO-NOT: @cimag
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// HAS_ERRNO-NOT: .cimag
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// HAS_ERRNO-NOT: @cimag
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conj(f); conjf(f); conjl(f);
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// NO__ERRNO: declare { double, double } @conj(double, double) [[READNONE:#[0-9]+]]
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// NO__ERRNO: declare <2 x float> @conjf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @conjl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @conj(double, double) [[READNONE:#[0-9]+]]
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// HAS_ERRNO: declare <2 x float> @conjf(<2 x float>) [[READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @conjl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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clog(f); clogf(f); clogl(f);
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// NO__ERRNO: declare { double, double } @clog(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @clogf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @clogl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @clog(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @clogf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @clogl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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cproj(f); cprojf(f); cprojl(f);
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// NO__ERRNO: declare { double, double } @cproj(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @cprojf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @cprojl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @cproj(double, double) [[READNONE]]
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// HAS_ERRNO: declare <2 x float> @cprojf(<2 x float>) [[READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @cprojl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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cpow(f,f); cpowf(f,f); cpowl(f,f);
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// NO__ERRNO: declare { double, double } @cpow(double, double, double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @cpowf(<2 x float>, <2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @cpowl({ x86_fp80, x86_fp80 }* byval align 16, { x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @cpow(double, double, double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @cpowf(<2 x float>, <2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @cpowl({ x86_fp80, x86_fp80 }* byval align 16, { x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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creal(f); crealf(f); creall(f);
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// NO__ERRNO-NOT: .creal
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// NO__ERRNO-NOT: @creal
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// HAS_ERRNO-NOT: .creal
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// HAS_ERRNO-NOT: @creal
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csin(f); csinf(f); csinl(f);
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// NO__ERRNO: declare { double, double } @csin(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @csinf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @csinl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @csin(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @csinf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @csinl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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csinh(f); csinhf(f); csinhl(f);
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// NO__ERRNO: declare { double, double } @csinh(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @csinhf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @csinhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @csinh(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @csinhf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @csinhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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csqrt(f); csqrtf(f); csqrtl(f);
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// NO__ERRNO: declare { double, double } @csqrt(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @csqrtf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @csqrtl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @csqrt(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @csqrtf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @csqrtl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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ctan(f); ctanf(f); ctanl(f);
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// NO__ERRNO: declare { double, double } @ctan(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @ctanf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @ctanl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @ctan(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @ctanf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @ctanl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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ctanh(f); ctanhf(f); ctanhl(f);
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// NO__ERRNO: declare { double, double } @ctanh(double, double) [[READNONE]]
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// NO__ERRNO: declare <2 x float> @ctanhf(<2 x float>) [[READNONE]]
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// NO__ERRNO: declare { x86_fp80, x86_fp80 } @ctanhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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// HAS_ERRNO: declare { double, double } @ctanh(double, double) [[NOT_READNONE]]
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// HAS_ERRNO: declare <2 x float> @ctanhf(<2 x float>) [[NOT_READNONE]]
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// HAS_ERRNO: declare { x86_fp80, x86_fp80 } @ctanhl({ x86_fp80, x86_fp80 }* byval align 16) [[NOT_READNONE]]
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};
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// NO__ERRNO: attributes [[READNONE]] = { {{.*}}readnone{{.*}} }
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// NO__ERRNO: attributes [[NOT_READNONE]] = { nounwind "correctly{{.*}} }
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// HAS_ERRNO: attributes [[NOT_READNONE]] = { nounwind "correctly{{.*}} }
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// HAS_ERRNO: attributes [[READNONE]] = { {{.*}}readnone{{.*}} }
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