File: early-if-phi-i1.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (17 lines) | stat: -rw-r--r-- 430 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; RUN: llc -mtriple=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
}