File: regress-fp128-livein.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (17 lines) | stat: -rw-r--r-- 525 bytes parent folder | download | duplicates (38)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s

; Regression test for NZCV reg live-in not being added to fp128csel IfTrue BB,
; causing a crash during live range calc.
define void @fp128_livein(i64 %a) {
  %tobool = icmp ne i64 %a, 0
  %conv = zext i1 %tobool to i32
  %conv2 = sitofp i32 %conv to fp128
  %conv6 = sitofp i32 %conv to double
  %call3 = tail call i32 @g(fp128 %conv2)
  %call8 = tail call i32 @h(double %conv6)
  ret void
}

declare i32 @f()
declare i32 @g(fp128)
declare i32 @h(double)