llvm-6502/test/CodeGen/X86/sincos.ll
Benjamin Kramer 562b240fc5 X86: Emitting x87 fsin/fcos for sinf/cosf is not safe without unsafe fp math.
This was only an issue if sse is disabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163967 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15 12:44:27 +00:00

80 lines
1.7 KiB
LLVM

; Make sure this testcase codegens to the sin and cos instructions, not calls
; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math | FileCheck %s --check-prefix=SIN
; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math | FileCheck %s --check-prefix=COS
; RUN: llc < %s -mtriple=i686-apple-macosx -mattr=-sse,-sse2,-sse3 | FileCheck %s --check-prefix=SAFE
declare float @sinf(float) readonly
declare double @sin(double) readonly
declare x86_fp80 @sinl(x86_fp80) readonly
; SIN: test1:
define float @test1(float %X) {
%Y = call float @sinf(float %X) readonly
ret float %Y
}
; SIN: {{^[ \t]*fsin$}}
; SIN-NOT: fsin
; SAFE: test1
; SAFE-NOT: fsin
; SIN: test2:
define double @test2(double %X) {
%Y = call double @sin(double %X) readonly
ret double %Y
}
; SIN: {{^[ \t]*fsin$}}
; SIN-NOT: fsin
; SAFE: test2
; SAFE-NOT: fsin
; SIN: test3:
define x86_fp80 @test3(x86_fp80 %X) {
%Y = call x86_fp80 @sinl(x86_fp80 %X) readonly
ret x86_fp80 %Y
}
; SIN: {{^[ \t]*fsin$}}
; SIN-NOT: fsin
; COS-NOT: fcos
declare float @cosf(float) readonly
declare double @cos(double) readonly
declare x86_fp80 @cosl(x86_fp80) readonly
; SIN: test4:
; COS: test3:
define float @test4(float %X) {
%Y = call float @cosf(float %X) readonly
ret float %Y
}
; COS: {{^[ \t]*fcos}}
; SAFE: test4
; SAFE-NOT: fcos
define double @test5(double %X) {
%Y = call double @cos(double %X) readonly
ret double %Y
}
; COS: {{^[ \t]*fcos}}
; SAFE: test5
; SAFE-NOT: fcos
define x86_fp80 @test6(x86_fp80 %X) {
%Y = call x86_fp80 @cosl(x86_fp80 %X) readonly
ret x86_fp80 %Y
}
; COS: {{^[ \t]*fcos}}
; SIN-NOT: fsin
; COS-NOT: fcos