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      1 ; RUN: llc < %s -march=x86    -mattr=+mmx,+sse,+soft-float \
      2 ; RUN:     | FileCheck %s --check-prefix=SOFT1 --check-prefix=CHECK
      3 ; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse2,+soft-float \
      4 ; RUN:     | FileCheck %s --check-prefix=SOFT2 --check-prefix=CHECK
      5 ; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse \
      6 ; RUN:     | FileCheck %s --check-prefix=SSE1 --check-prefix=CHECK
      7 ; RUN: llc < %s -march=x86-64 -mattr=+mmx,+sse2 \
      8 ; RUN:     | FileCheck %s --check-prefix=SSE2 --check-prefix=CHECK
      9 ; RUN: llc < %s -mtriple=x86_64-gnux32 -mattr=+mmx,+sse2,+soft-float | FileCheck %s
     10 
     11 ; CHECK-NOT: xmm{{[0-9]+}}
     12 
     13 %struct.__va_list_tag = type { i32, i32, i8*, i8* }
     14 
     15 define i32 @t1(i32 %a, ...) nounwind {
     16 entry:
     17 	%va = alloca [1 x %struct.__va_list_tag], align 8		; <[1 x %struct.__va_list_tag]*> [#uses=2]
     18 	%va12 = bitcast [1 x %struct.__va_list_tag]* %va to i8*		; <i8*> [#uses=2]
     19 	call void @llvm.va_start(i8* %va12)
     20 	%va3 = getelementptr [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %va, i64 0, i64 0		; <%struct.__va_list_tag*> [#uses=1]
     21 	call void @bar(%struct.__va_list_tag* %va3) nounwind
     22 	call void @llvm.va_end(i8* %va12)
     23 	ret i32 undef
     24 ; CHECK-LABEL: t1:
     25 ; CHECK:       ret{{[lq]}}
     26 }
     27 
     28 declare void @llvm.va_start(i8*) nounwind
     29 
     30 declare void @bar(%struct.__va_list_tag*)
     31 
     32 declare void @llvm.va_end(i8*) nounwind
     33 
     34 define float @t2(float %a, float %b) nounwind readnone {
     35 entry:
     36 	%0 = fadd float %a, %b		; <float> [#uses=1]
     37 	ret float %0
     38 ; CHECK-LABEL: t2:
     39 ; SOFT1-NOT:   xmm{{[0-9]+}}
     40 ; SOFT2-NOT:   xmm{{[0-9]+}}
     41 ; SSE1:        xmm{{[0-9]+}}
     42 ; SSE2:        xmm{{[0-9]+}}
     43 ; CHECK:       ret{{[lq]}}
     44 }
     45 
     46 ; soft-float means no SSE instruction and passing fp128 as pair of i64.
     47 define fp128 @t3(fp128 %a, fp128 %b) nounwind readnone {
     48 entry:
     49 	%0 = fadd fp128 %b, %a
     50 	ret fp128 %0
     51 ; CHECK-LABEL: t3:
     52 ; SOFT1-NOT:   xmm{{[0-9]+}}
     53 ; SOFT2-NOT:   xmm{{[0-9]+}}
     54 ; SSE1:        xmm{{[0-9]+}}
     55 ; SSE2:        xmm{{[0-9]+}}
     56 ; CHECK:       ret{{[lq]}}
     57 }
     58