File: phi.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (24 lines) | stat: -rw-r--r-- 486 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; RUN: llc -mtriple=arm-eabi -mattr=+v4t %s -o - | FileCheck %s

; <rdar://problem/8686347>

define i32 @test1(i1 %a, ptr %b) {
; CHECK: test1
entry:
  br i1 %a, label %lblock, label %rblock

lblock:
  %lbranch = getelementptr i32, ptr %b, i32 1
  br label %end

rblock:
  %rbranch = getelementptr i32, ptr %b, i32 1
  br label %end
  
end:
; CHECK: ldr	r0, [r1, #4]
  %gep = phi ptr [%lbranch, %lblock], [%rbranch, %rblock]
  %r = load i32, ptr %gep
; CHECK-NEXT: bx	lr
  ret i32 %r
}