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[X86] Regenerate CSE test with codegen instead of just the instruction count

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llvm-svn: 295819
This commit is contained in:
Simon Pilgrim 2017-02-22 10:12:46 +00:00
parent 0042499f48
commit 07056a06a0
1 changed files with 37 additions and 2 deletions
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39
llvm/test/CodeGen/X86/dagcombine-cse.ll
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@ -1,7 +1,42 @@
; REQUIRES: asserts
; RUN: llc < %s -march=x86 -mattr=+sse2 -mtriple=i386-apple-darwin -stats 2>&1 | grep asm-printer | grep 13
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+sse2 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+sse2 | FileCheck %s --check-prefix=X64
define i32 @t(i8* %ref_frame_ptr, i32 %ref_frame_stride, i32 %idxX, i32 %idxY) nounwind {
; X32-LABEL: t:
; X32: ## BB#0: ## %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: imull {{[0-9]+}}(%esp), %ecx
; X32-NEXT: addl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movzwl 4(%eax,%ecx), %edx
; X32-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; X32-NEXT: movd %edx, %xmm1
; X32-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; X32-NEXT: pxor %xmm1, %xmm1
; X32-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,1,1,2,4,5,6,7]
; X32-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; X32-NEXT: movd %xmm0, %eax
; X32-NEXT: retl
;
; X64-LABEL: t:
; X64: ## BB#0: ## %entry
; X64-NEXT: ## kill: %EDX<def> %EDX<kill> %RDX<def>
; X64-NEXT: ## kill: %ESI<def> %ESI<kill> %RSI<def>
; X64-NEXT: imull %ecx, %esi
; X64-NEXT: leal (%rsi,%rdx), %eax
; X64-NEXT: cltq
; X64-NEXT: leal 4(%rsi,%rdx), %ecx
; X64-NEXT: movslq %ecx, %rcx
; X64-NEXT: movzwl (%rdi,%rcx), %ecx
; X64-NEXT: shlq $32, %rcx
; X64-NEXT: movl (%rdi,%rax), %eax
; X64-NEXT: orq %rcx, %rax
; X64-NEXT: movd %rax, %xmm0
; X64-NEXT: movq {{.*#+}} xmm0 = xmm0[0],zero
; X64-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,1,1,2,4,5,6,7]
; X64-NEXT: movd %xmm0, %eax
; X64-NEXT: retq
entry:
%tmp7 = mul i32 %idxY, %ref_frame_stride ; <i32> [#uses=2]
%tmp9 = add i32 %tmp7, %idxX ; <i32> [#uses=1]