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[X86][MMX] Regenerate MMX bitcast test 

llvm-svn: 325611
This commit is contained in:
Simon Pilgrim 2018-02-20 18:48:29 +00:00
parent 5e5baf59dd
commit 75853bf149
1 changed files with 19 additions and 6 deletions
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25
llvm/test/CodeGen/X86/fast-isel-bc.ll
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@ -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
}