File: fast-isel-branch-cond-mask.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (19 lines) | stat: -rw-r--r-- 498 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; RUN: llc -mtriple=aarch64-apple-darwin -O0 -fast-isel -fast-isel-abort=0 -verify-machineinstrs < %s | FileCheck %s

define void @test(i64 %a, i64 %b, ptr %c) {
; CHECK-LABEL: test
; CHECK:       and [[REG1:w[0-9]+]], {{w[0-9]+}}, #0x3
; CHECK-NEXT:  strb [[REG1]], [x2]
; CHECK-NEXT:  tbz {{w[0-9]+}}, #0,
 %1 = trunc i64 %a to i2
 %2 = trunc i64 %b to i1
; Force fast-isel to fall back to SDAG.
 store i2 %1, ptr %c, align 8
 br i1 %2, label %bb1, label %bb2

bb1:
  ret void

bb2:
  ret void
}