File: widen_compare-1.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (48 lines) | stat: -rw-r--r-- 1,979 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X64

; compare v2i16

define <2 x i16> @compare_v2i64_to_v2i16_unary(<2 x i16>* %src) nounwind {
; X86-LABEL: compare_v2i64_to_v2i16_unary:
; X86:       # %bb.0:
; X86-NEXT:    movaps {{.*#+}} xmm0 = [65535,0,65535,0]
; X86-NEXT:    retl
;
; X64-LABEL: compare_v2i64_to_v2i16_unary:
; X64:       # %bb.0:
; X64-NEXT:    movaps {{.*#+}} xmm0 = [65535,65535]
; X64-NEXT:    retq
  %val = load <2 x i16>, <2 x i16>* %src, align 4
  %cmp = icmp uge <2 x i16> %val, %val
  %sel = select <2 x i1> %cmp, <2 x i16> <i16 -1, i16 -1>, <2 x i16> zeroinitializer
  ret <2 x i16> %sel
}

define <2 x i16> @compare_v2i64_to_v2i16_binary(<2 x i16>* %src0, <2 x i16>* %src1) nounwind {
; X86-LABEL: compare_v2i64_to_v2i16_binary:
; X86:       # %bb.0:
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT:    pmovzxwq {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
; X86-NEXT:    pmovzxwq {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
; X86-NEXT:    pcmpgtq %xmm0, %xmm1
; X86-NEXT:    pcmpeqd %xmm0, %xmm0
; X86-NEXT:    pxor %xmm1, %xmm0
; X86-NEXT:    retl
;
; X64-LABEL: compare_v2i64_to_v2i16_binary:
; X64:       # %bb.0:
; X64-NEXT:    pmovzxwq {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
; X64-NEXT:    pmovzxwq {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
; X64-NEXT:    pcmpgtq %xmm0, %xmm1
; X64-NEXT:    pcmpeqd %xmm0, %xmm0
; X64-NEXT:    pxor %xmm1, %xmm0
; X64-NEXT:    retq
  %val0 = load <2 x i16>, <2 x i16>* %src0, align 4
  %val1 = load <2 x i16>, <2 x i16>* %src1, align 4
  %cmp = icmp uge <2 x i16> %val0, %val1
  %sel = select <2 x i1> %cmp, <2 x i16> <i16 -1, i16 -1>, <2 x i16> zeroinitializer
  ret <2 x i16> %sel
}