File: pred-instrs.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (32 lines) | stat: -rw-r--r-- 934 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
; RUN: llc -march=hexagon < %s | FileCheck %s
; Check that we are able to predicate instructions.

; CHECK: if ({{!?}}p{{[0-3]}}{{(.new)?}}) r{{[0-9]+}} = {{and|aslh}}
; CHECK: if ({{!?}}p{{[0-3]}}{{(.new)?}}) r{{[0-9]+}} = {{and|aslh}}

@g0 = external global i32
@g1 = external global i32

define i32 @f0(i8 zeroext %a0, i8 zeroext %a1) #0 {
b0:
  %v0 = icmp eq i8 %a0, %a1
  br i1 %v0, label %b1, label %b2

b1:                                               ; preds = %b0
  %v1 = zext i8 %a0 to i32
  %v2 = shl nuw nsw i32 %v1, 16
  br label %b3

b2:                                               ; preds = %b0
  %v3 = and i8 %a1, %a0
  %v4 = zext i8 %v3 to i32
  br label %b3

b3:                                               ; preds = %b2, %b1
  %v5 = phi i32 [ %v4, %b2 ], [ %v2, %b1 ]
  store i32 %v5, i32* @g0, align 4
  %v6 = load i32, i32* @g1, align 4
  ret i32 %v6
}

attributes #0 = { nounwind "target-cpu"="hexagonv5" }