File: early-if-phi-i1.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (17 lines) | stat: -rw-r--r-- 428 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; RUN: llc -march=hexagon < %s
; REQUIRES: asserts
; Check that the early if-conversion does not predicate block1 (where the
; join block has a phi node of type i1).

define i1 @foo(i32 %x, ptr %p) {
entry:
  %c = icmp sgt i32 %x, 0
  %c1 = icmp sgt i32 %x, 10
  br i1 %c, label %block2, label %block1
block1:
  store i32 1, ptr %p, align 4
  br label %block2
block2:
  %b = phi i1 [ 0, %entry ], [ %c1, %block1 ]
  ret i1 %b
}