[llvm] r325611 - [X86][MMX] Regenerate MMX bitcast test
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 20 10:48:29 PST 2018
Author: rksimon
Date: Tue Feb 20 10:48:29 2018
New Revision: 325611
URL: http://llvm.org/viewvc/llvm-project?rev=325611&view=rev
Log:
[X86][MMX] Regenerate MMX bitcast test
Modified:
llvm/trunk/test/CodeGen/X86/fast-isel-bc.ll
Modified: llvm/trunk/test/CodeGen/X86/fast-isel-bc.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fast-isel-bc.ll?rev=325611&r1=325610&r2=325611&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/fast-isel-bc.ll (original)
+++ llvm/trunk/test/CodeGen/X86/fast-isel-bc.ll Tue Feb 20 10:48:29 2018
@@ -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
}
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