From 75853bf149cf522c54242b6581490aad9e831d39 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Tue, 20 Feb 2018 18:48:29 +0000 Subject: [PATCH] [X86][MMX] Regenerate MMX bitcast test llvm-svn: 325611 --- llvm/test/CodeGen/X86/fast-isel-bc.ll | 25 +++++++++++++++++++------ 1 file 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 fb3693d..b912caa 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> 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> to x86_mmx + call void @func2(x86_mmx %tmp0) + ret void } -- 2.7.4