[X86][MMX] Regenerate MMX bitcast test

llvm-svn: 325611

1 files changed, 19 insertions, 6 deletions

diff --git a/llvm/test/CodeGen/X86/fast-isel-bc.ll b/llvm/test/CodeGen/X86/fast-isel-bc.ll
index fb3693d0b3f..b912caac66b 100644
--- a/llvm/test/CodeGen/X86/fast-isel-bc.ll
+++ b/llvm/test/CodeGen/X86/fast-isel-bc.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -O0 -mattr=+mmx,+sse2 | FileCheck %s
 ; PR4684
 
@@ -7,17 +8,29 @@ target triple = "x86_64-apple-darwin9.8"
 
 declare void @func2(x86_mmx)
 
-define void @func1() nounwind {
-
 ; This isn't spectacular, but it's MMX code at -O0...
-; CHECK:  movq2dq %mm0, %xmm0
 ; For now, handling of x86_mmx parameters in fast Isel is unimplemented,
 ; so we get pretty poor code.  The below is preferable.
 ; CHEK: movl $2, %eax
 ; CHEK: movd %rax, %mm0
 ; CHEK: movd %mm0, %rdi
 
-        %tmp0 = bitcast <2 x i32><i32 0, i32 2> to x86_mmx
-        call void @func2(x86_mmx %tmp0)
-        ret void
+define void @func1() nounwind {
+; CHECK-LABEL: func1:
+; CHECK:       ## %bb.0:
+; CHECK-NEXT:    pushq %rax
+; CHECK-NEXT:    movl $2, %eax
+; CHECK-NEXT:    movl %eax, %ecx
+; CHECK-NEXT:    movq %rcx, %xmm0
+; CHECK-NEXT:    pslldq {{.*#+}} xmm0 = zero,zero,zero,zero,zero,zero,zero,zero,xmm0[0,1,2,3,4,5,6,7]
+; CHECK-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
+; CHECK-NEXT:    movq %xmm0, (%rsp)
+; CHECK-NEXT:    movq (%rsp), %mm0
+; CHECK-NEXT:    movq2dq %mm0, %xmm0
+; CHECK-NEXT:    callq _func2
+; CHECK-NEXT:    popq %rax
+; CHECK-NEXT:    retq
+  %tmp0 = bitcast <2 x i32> <i32 0, i32 2> to x86_mmx
+  call void @func2(x86_mmx %tmp0)
+  ret void
 }