forked from OSchip/llvm-project
90 lines
3.0 KiB
LLVM
90 lines
3.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s
|
|
|
|
; widen v8i8 to v16i8 (checks even power of 2 widening with add & and)
|
|
|
|
define void @update(i64* %dst_i, i64* %src_i, i32 %n) nounwind {
|
|
; CHECK-LABEL: update:
|
|
; CHECK: # %bb.0: # %entry
|
|
; CHECK-NEXT: subl $12, %esp
|
|
; CHECK-NEXT: movl $0, (%esp)
|
|
; CHECK-NEXT: pcmpeqd %xmm0, %xmm0
|
|
; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [4,4,4,4,4,4,4,4]
|
|
; CHECK-NEXT: jmp .LBB0_1
|
|
; CHECK-NEXT: .p2align 4, 0x90
|
|
; CHECK-NEXT: .LBB0_2: # %forbody
|
|
; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
|
|
; CHECK-NEXT: movl (%esp), %eax
|
|
; CHECK-NEXT: leal (,%eax,8), %ecx
|
|
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
|
|
; CHECK-NEXT: addl %ecx, %edx
|
|
; CHECK-NEXT: movl %edx, {{[0-9]+}}(%esp)
|
|
; CHECK-NEXT: addl {{[0-9]+}}(%esp), %ecx
|
|
; CHECK-NEXT: movl %ecx, {{[0-9]+}}(%esp)
|
|
; CHECK-NEXT: pmovzxbw {{.*#+}} xmm2 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero
|
|
; CHECK-NEXT: psubw %xmm0, %xmm2
|
|
; CHECK-NEXT: pand %xmm1, %xmm2
|
|
; CHECK-NEXT: packsswb %xmm0, %xmm2
|
|
; CHECK-NEXT: movq %xmm2, (%edx,%eax,8)
|
|
; CHECK-NEXT: incl (%esp)
|
|
; CHECK-NEXT: .LBB0_1: # %forcond
|
|
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
|
|
; CHECK-NEXT: movl (%esp), %eax
|
|
; CHECK-NEXT: cmpl {{[0-9]+}}(%esp), %eax
|
|
; CHECK-NEXT: jl .LBB0_2
|
|
; CHECK-NEXT: # %bb.3: # %afterfor
|
|
; CHECK-NEXT: addl $12, %esp
|
|
; CHECK-NEXT: retl
|
|
entry:
|
|
%dst_i.addr = alloca i64*
|
|
%src_i.addr = alloca i64*
|
|
%n.addr = alloca i32
|
|
%i = alloca i32, align 4
|
|
%dst = alloca <8 x i8>*, align 4
|
|
%src = alloca <8 x i8>*, align 4
|
|
store i64* %dst_i, i64** %dst_i.addr
|
|
store i64* %src_i, i64** %src_i.addr
|
|
store i32 %n, i32* %n.addr
|
|
store i32 0, i32* %i
|
|
br label %forcond
|
|
|
|
forcond:
|
|
%tmp = load i32, i32* %i
|
|
%tmp1 = load i32, i32* %n.addr
|
|
%cmp = icmp slt i32 %tmp, %tmp1
|
|
br i1 %cmp, label %forbody, label %afterfor
|
|
|
|
forbody:
|
|
%tmp2 = load i32, i32* %i
|
|
%tmp3 = load i64*, i64** %dst_i.addr
|
|
%arrayidx = getelementptr i64, i64* %tmp3, i32 %tmp2
|
|
%conv = bitcast i64* %arrayidx to <8 x i8>*
|
|
store <8 x i8>* %conv, <8 x i8>** %dst
|
|
%tmp4 = load i32, i32* %i
|
|
%tmp5 = load i64*, i64** %src_i.addr
|
|
%arrayidx6 = getelementptr i64, i64* %tmp5, i32 %tmp4
|
|
%conv7 = bitcast i64* %arrayidx6 to <8 x i8>*
|
|
store <8 x i8>* %conv7, <8 x i8>** %src
|
|
%tmp8 = load i32, i32* %i
|
|
%tmp9 = load <8 x i8>*, <8 x i8>** %dst
|
|
%arrayidx10 = getelementptr <8 x i8>, <8 x i8>* %tmp9, i32 %tmp8
|
|
%tmp11 = load i32, i32* %i
|
|
%tmp12 = load <8 x i8>*, <8 x i8>** %src
|
|
%arrayidx13 = getelementptr <8 x i8>, <8 x i8>* %tmp12, i32 %tmp11
|
|
%tmp14 = load <8 x i8>, <8 x i8>* %arrayidx13
|
|
%add = add <8 x i8> %tmp14, < i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1 >
|
|
%and = and <8 x i8> %add, < i8 4, i8 4, i8 4, i8 4, i8 4, i8 4, i8 4, i8 4 >
|
|
store <8 x i8> %and, <8 x i8>* %arrayidx10
|
|
br label %forinc
|
|
|
|
forinc:
|
|
%tmp15 = load i32, i32* %i
|
|
%inc = add i32 %tmp15, 1
|
|
store i32 %inc, i32* %i
|
|
br label %forcond
|
|
|
|
afterfor:
|
|
ret void
|
|
}
|
|
|