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llvm/test/CodeGen/X86/mult-alt-x86.ll
Eric Christopher 47f0e3f434 Move the MMX subtarget feature out of the SSE set of features and into 
its own variable.

This is needed so that we can explicitly turn off MMX without turning
off SSE and also so that we can diagnose feature set incompatibilities
that involve MMX without SSE.

Rationale:

// sse3
__m128d test_mm_addsub_pd(__m128d A, __m128d B) {
  return _mm_addsub_pd(A, B);
}

// mmx
void shift(__m64 a, __m64 b, int c) {
  _mm_slli_pi16(a, c);
  _mm_slli_pi32(a, c);
  _mm_slli_si64(a, c);
  _mm_srli_pi16(a, c);
  _mm_srli_pi32(a, c);
  _mm_srli_si64(a, c);
  _mm_srai_pi16(a, c);
  _mm_srai_pi32(a, c);
}

clang -msse3 -mno-mmx file.c -c

For this code we should be able to explicitly turn off MMX
without affecting the compilation of the SSE3 function and then
diagnose and error on compiling the MMX function.

This matches the existing gcc behavior and follows the spirit of
the SSE/MMX separation in llvm where we can (and do) turn off
MMX code generation except in the presence of intrinsics.

Updated a couple of tests, but primarily tested with a couple of tests
for turning on only mmx and only sse.

This is paired with a patch to clang to take advantage of this behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249731 91177308-0d34-0410-b5e6-96231b3b80d8
2015-10-08 20:10:06 +00:00

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LLVM
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; RUN: llc < %s -march=x86 -mattr=+mmx,+sse2 -no-integrated-as
; ModuleID = 'mult-alt-x86.c'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
target triple = "i686-pc-win32"
@mout0 = common global i32 0, align 4
@min1 = common global i32 0, align 4
@dout0 = common global double 0.000000e+000, align 8
@din1 = common global double 0.000000e+000, align 8
@marray = common global [2 x i32] zeroinitializer, align 4
define void @single_R() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "=R,R,~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_q() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "=q,q,~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_Q() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "=Q,Q,~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_a() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "={ax},{ax},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_b() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "={bx},{bx},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_c() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "={cx},{cx},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_d() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "={dx},{dx},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_S() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "={si},{si},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_D() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "={di},{di},~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_A() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
%0 = call i32 asm "foo $1,$0", "=A,A,~{dirflag},~{fpsr},~{flags}"(i32 %tmp) nounwind
store i32 %0, i32* @mout0, align 4
ret void
}
define void @single_f() nounwind {
entry:
ret void
}
define void @single_t() nounwind {
entry:
ret void
}
define void @single_u() nounwind {
entry:
ret void
}
define void @single_y() nounwind {
entry:
%tmp = load double, double* @din1, align 8
%0 = call double asm "foo $1,$0", "=y,y,~{dirflag},~{fpsr},~{flags}"(double %tmp) nounwind
store double %0, double* @dout0, align 8
ret void
}
define void @single_x() nounwind {
entry:
%tmp = load double, double* @din1, align 8
%0 = call double asm "foo $1,$0", "=x,x,~{dirflag},~{fpsr},~{flags}"(double %tmp) nounwind
store double %0, double* @dout0, align 8
ret void
}
define void @single_Y0() nounwind {
entry:
ret void
}
define void @single_I() nounwind {
entry:
call void asm "foo $1,$0", "=*m,I,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_J() nounwind {
entry:
call void asm "foo $1,$0", "=*m,J,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_K() nounwind {
entry:
call void asm "foo $1,$0", "=*m,K,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_L() nounwind {
entry:
; Missing lowering support for 'L'.
; call void asm "foo $1,$0", "=*m,L,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_M() nounwind {
entry:
; Missing lowering support for 'M'.
; call void asm "foo $1,$0", "=*m,M,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_N() nounwind {
entry:
call void asm "foo $1,$0", "=*m,N,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_G() nounwind {
entry:
; Missing lowering support for 'G'.
; call void asm "foo $1,$0", "=*m,G,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, double 1.000000e+000) nounwind
ret void
}
define void @single_C() nounwind {
entry:
; Missing lowering support for 'C'.
; call void asm "foo $1,$0", "=*m,C,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, double 1.000000e+000) nounwind
ret void
}
define void @single_e() nounwind {
entry:
call void asm "foo $1,$0", "=*m,e,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @single_Z() nounwind {
entry:
call void asm "foo $1,$0", "=*m,Z,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_R() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|R|m,r|R|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_q() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|q|m,r|q|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_Q() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|Q|m,r|Q|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_a() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|{ax}|m,r|{ax}|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_b() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|{bx}|m,r|{bx}|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_c() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|{cx}|m,r|{cx}|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_d() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|{dx}|m,r|{dx},~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_S() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|{si}|m,r|{si}|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_D() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|{di}|m,r|{di}|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_A() nounwind {
entry:
%tmp = load i32, i32* @min1, align 4
call void asm "foo $1,$0", "=*r|A|m,r|A|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 %tmp) nounwind
ret void
}
define void @multi_f() nounwind {
entry:
ret void
}
define void @multi_t() nounwind {
entry:
ret void
}
define void @multi_u() nounwind {
entry:
ret void
}
define void @multi_y() nounwind {
entry:
%tmp = load double, double* @din1, align 8
call void asm "foo $1,$0", "=*r|y|m,r|y|m,~{dirflag},~{fpsr},~{flags}"(double* @dout0, double %tmp) nounwind
ret void
}
define void @multi_x() nounwind {
entry:
%tmp = load double, double* @din1, align 8
call void asm "foo $1,$0", "=*r|x|m,r|x|m,~{dirflag},~{fpsr},~{flags}"(double* @dout0, double %tmp) nounwind
ret void
}
define void @multi_Y0() nounwind {
entry:
ret void
}
define void @multi_I() nounwind {
entry:
call void asm "foo $1,$0", "=*r|m|m,r|I|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_J() nounwind {
entry:
call void asm "foo $1,$0", "=*r|m|m,r|J|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_K() nounwind {
entry:
call void asm "foo $1,$0", "=*r|m|m,r|K|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_L() nounwind {
entry:
; Missing lowering support for 'L'.
; call void asm "foo $1,$0", "=*r|m|m,r|L|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_M() nounwind {
entry:
; Missing lowering support for 'M'.
; call void asm "foo $1,$0", "=*r|m|m,r|M|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_N() nounwind {
entry:
call void asm "foo $1,$0", "=*r|m|m,r|N|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_G() nounwind {
entry:
; Missing lowering support for 'G'.
; call void asm "foo $1,$0", "=*r|m|m,r|G|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, double 1.000000e+000) nounwind
ret void
}
define void @multi_C() nounwind {
entry:
; Missing lowering support for 'C'.
; call void asm "foo $1,$0", "=*r|m|m,r|C|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, double 1.000000e+000) nounwind
ret void
}
define void @multi_e() nounwind {
entry:
call void asm "foo $1,$0", "=*r|m|m,r|e|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
define void @multi_Z() nounwind {
entry:
call void asm "foo $1,$0", "=*r|m|m,r|Z|m,~{dirflag},~{fpsr},~{flags}"(i32* @mout0, i32 1) nounwind
ret void
}
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