File: single-lane-execution.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 611 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
25
 
; REQUIRES: amdgpu-registered-target
; RUN: opt -S -passes=speculative-execution -mtriple=amdgcn--  \
; RUN: -spec-exec-only-if-divergent-target \
; RUN:   -spec-exec-max-speculation-cost 4 -spec-exec-max-not-hoisted 3 \
; RUN:   %s | FileCheck %s

; Hoist in if-then pattern.
define void @skip_single_lane_ifThen() #0 {
; CHECK-LABEL: @skip_single_lane_ifThen(
; CHECK: br i1 true

br i1 true, label %a, label %b
; CHECK: a:
; CHECK: %x = add i32 2, 3
a:
  %x = add i32 2, 3
; CHECK: br label
  br label %b
; CHECK: b:
b:
; CHECK: ret void
  ret void
}

attributes #0 = { "amdgpu-flat-work-group-size"="1,1" }