File: regress-fp128-livein.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 (17 lines) | stat: -rw-r--r-- 525 bytes parent folder | download | duplicates (37)
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)