File: pred-instrs.ll

package info (click to toggle)
llvm-toolchain-3.9 1%3A3.9.1-9
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 441,144 kB
  • ctags: 428,836
  • sloc: cpp: 2,546,577; ansic: 538,318; asm: 119,677; objc: 103,316; python: 102,148; sh: 27,847; pascal: 5,626; ml: 5,510; perl: 5,293; lisp: 4,801; makefile: 2,177; xml: 686; cs: 362; php: 212; csh: 117
file content (30 lines) | stat: -rw-r--r-- 1,034 bytes parent folder | download | duplicates (7)
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
; RUN: llc -march=hexagon -mcpu=hexagonv4 < %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}}
@a = external global i32
@d = external global i32

; Function Attrs: nounwind
define i32 @test1(i8 zeroext %la, i8 zeroext %lb) {
entry:
  %cmp = icmp eq i8 %la, %lb
  br i1 %cmp, label %if.then, label %if.else

if.then:                                          ; preds = %entry
  %conv1 = zext i8 %la to i32
  %shl = shl nuw nsw i32 %conv1, 16
  br label %if.end

if.else:                                          ; preds = %entry
  %and8 = and i8 %lb, %la
  %and = zext i8 %and8 to i32
  br label %if.end

if.end:                                           ; preds = %if.else, %if.then
  %storemerge = phi i32 [ %and, %if.else ], [ %shl, %if.then ]
  store i32 %storemerge, i32* @a, align 4
  %0 = load i32, i32* @d, align 4
  ret i32 %0
}