File: mmx-only.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (21 lines) | stat: -rw-r--r-- 795 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
; RUN: llc < %s -mtriple=i686-- -mattr=+mmx | FileCheck %s
; RUN: llc < %s -mtriple=i686-- -mattr=+mmx,-sse | FileCheck %s

; Test that turning off sse doesn't turn off mmx.

declare <1 x i64> @llvm.x86.mmx.pcmpgt.d(<1 x i64>, <1 x i64>) nounwind readnone

define i64 @test88(<1 x i64> %a, <1 x i64> %b) nounwind readnone {
; CHECK-LABEL: @test88
; CHECK: pcmpgtd
entry:
  %0 = bitcast <1 x i64> %b to <2 x i32>
  %1 = bitcast <1 x i64> %a to <2 x i32>
  %mmx_var.i = bitcast <2 x i32> %1 to <1 x i64>
  %mmx_var1.i = bitcast <2 x i32> %0 to <1 x i64>
  %2 = tail call <1 x i64> @llvm.x86.mmx.pcmpgt.d(<1 x i64> %mmx_var.i, <1 x i64> %mmx_var1.i) nounwind
  %3 = bitcast <1 x i64> %2 to <2 x i32>
  %4 = bitcast <2 x i32> %3 to <1 x i64>
  %5 = extractelement <1 x i64> %4, i32 0
  ret i64 %5
}