[X86][SSE] Regenerate TRUNC-SEXT tests

Tidied up triple and regenerate tests using update_llc_test_checks.py

llvm-svn: 253782
This commit is contained in:
Simon Pilgrim 2015-11-21 13:32:29 +00:00
parent 163ad0f8b7
commit 1732480b50

View File

@ -1,5 +1,5 @@
; RUN: llc %s -mtriple=x86_64-unknown-unknown -mattr='-sse4.1' -o - | FileCheck %s -check-prefix=NO_SSE_41
; RUN: llc %s -mtriple=x86_64-unknown-unknown -mattr='+sse4.1' -o - | FileCheck %s -check-prefix=SSE_41
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse4.1 | FileCheck %s --check-prefix=NO_SSE_41
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE_41
; PR20472 ( http://llvm.org/bugs/show_bug.cgi?id=20472 )
; When sexting a trunc'd vector value, we can't eliminate the zext.
@ -9,22 +9,23 @@
; but that is beyond our current codegen capabilities.
define <4 x i32> @trunc_sext(<4 x i16>* %in) {
; NO_SSE_41-LABEL: trunc_sext:
; NO_SSE_41: # BB#0:
; NO_SSE_41-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
; NO_SSE_41-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; NO_SSE_41-NEXT: pslld $24, %xmm0
; NO_SSE_41-NEXT: psrad $24, %xmm0
; NO_SSE_41-NEXT: retq
;
; SSE_41-LABEL: trunc_sext:
; SSE_41: # BB#0:
; SSE_41-NEXT: pmovzxwd {{.*#+}} xmm0 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero
; SSE_41-NEXT: pslld $24, %xmm0
; SSE_41-NEXT: psrad $24, %xmm0
; SSE_41-NEXT: retq
%load = load <4 x i16>, <4 x i16>* %in
%trunc = trunc <4 x i16> %load to <4 x i8>
%sext = sext <4 x i8> %trunc to <4 x i32>
ret <4 x i32> %sext
; NO_SSE_41-LABEL: trunc_sext:
; NO_SSE_41: movq (%rdi), %xmm0
; NO_SSE_41-NEXT: punpcklwd %xmm0, %xmm0
; NO_SSE_41-NEXT: pslld $24, %xmm0
; NO_SSE_41-NEXT: psrad $24, %xmm0
; NO_SSE_41-NEXT: retq
; SSE_41-LABEL: trunc_sext:
; SSE_41: pmovzxwd (%rdi), %xmm0
; SSE_41-NEXT: pslld $24, %xmm0
; SSE_41-NEXT: psrad $24, %xmm0
; SSE_41-NEXT: retq
}