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llvm-mirror/test/CodeGen/X86/split-extend-vector-inreg.ll
Simon Pilgrim e30afe9c6d [DAGCombine] Add calls to SimplifyDemandedVectorElts from visitINSERT_SUBVECTOR (PR37989)
This uncovered an off-by-one typo in SimplifyDemandedVectorElts's INSERT_SUBVECTOR handling as its bounds check was bailing on safe indices.

llvm-svn: 347313
2018-11-20 15:23:50 +00:00

33 lines
1.1 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+avx | FileCheck %s --check-prefixes=CHECK,X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx | FileCheck %s --check-prefixes=CHECK,X64
define <4 x i64> @autogen_SD88863() {
; CHECK-LABEL: autogen_SD88863:
; CHECK: # %bb.0: # %BB
; CHECK-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,3,0,1]
; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; CHECK-NEXT: vxorps %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vblendps {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5],ymm1[6,7]
; CHECK-NEXT: movb $1, %al
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_1: # %CF
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: jne .LBB0_1
; CHECK-NEXT: # %bb.2: # %CF240
; CHECK-NEXT: ret{{[l|q]}}
BB:
%I26 = insertelement <4 x i64> undef, i64 undef, i32 2
br label %CF
CF:
%E66 = extractelement <4 x i64> %I26, i32 1
%I68 = insertelement <4 x i64> zeroinitializer, i64 %E66, i32 2
%Cmp72 = icmp eq i32 0, 0
br i1 %Cmp72, label %CF, label %CF240
CF240:
ret <4 x i64> %I68
}