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      1 ; RUN: not llc < %s -march=x86 -mcpu=i686 -mattr=-sse 2>&1 | FileCheck --check-prefix NOSSE %s
      2 ; RUN: llc < %s -march=x86 -mcpu=i686 -mattr=+sse | FileCheck %s
      3 
      4 ; NOSSE: {{SSE register return with SSE disabled}}
      5 
      6 ; CHECK: xmm
      7 
      8 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
      9 target triple = "i386-unknown-linux-gnu"
     10 @f = external global float		; <float*> [#uses=4]
     11 @d = external global double		; <double*> [#uses=4]
     12 
     13 define void @test() nounwind {
     14 entry:
     15 	%0 = load float* @f, align 4		; <float> [#uses=1]
     16 	%1 = tail call inreg float @foo1(float inreg %0) nounwind		; <float> [#uses=1]
     17 	store float %1, float* @f, align 4
     18 	%2 = load double* @d, align 8		; <double> [#uses=1]
     19 	%3 = tail call inreg double @foo2(double inreg %2) nounwind		; <double> [#uses=1]
     20 	store double %3, double* @d, align 8
     21 	%4 = load float* @f, align 4		; <float> [#uses=1]
     22 	%5 = tail call inreg float @foo3(float inreg %4) nounwind		; <float> [#uses=1]
     23 	store float %5, float* @f, align 4
     24 	%6 = load double* @d, align 8		; <double> [#uses=1]
     25 	%7 = tail call inreg double @foo4(double inreg %6) nounwind		; <double> [#uses=1]
     26 	store double %7, double* @d, align 8
     27 	ret void
     28 }
     29 
     30 declare inreg float @foo1(float inreg)
     31 
     32 declare inreg double @foo2(double inreg)
     33 
     34 declare inreg float @foo3(float inreg)
     35 
     36 declare inreg double @foo4(double inreg)
     37