File: non-affine-synthesized-in-branch.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (30 lines) | stat: -rw-r--r-- 997 bytes parent folder | download | duplicates (19) 
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: opt %loadPolly -polly-process-unprofitable -polly-codegen -S < %s | FileCheck %s
;
; llvm.org/PR25412
; %synthgep caused %gep to be synthesized in subregion_if which was reused for
; %retval in subregion_exit, even though it is not dominating subregion_exit.
;
; CHECK-LABEL: polly.stmt.polly.merge_new_and_old.exit:
; CHECK:         %scevgep[[R1:[0-9]*]] = getelementptr %struct.hoge, %struct.hoge* %arg, i64 0, i32 2
; CHECK:         store double* %scevgep[[R1]], double** %gep.s2a
; CHECK:         br label

%struct.hoge = type { double, double, double }

define double @func(%struct.hoge* %arg) {
entry:
  br label %subregion_entry

subregion_entry:
  %gep = getelementptr inbounds %struct.hoge, %struct.hoge* %arg, i64 0, i32 2
  %cond = fcmp ogt double undef, undef
  br i1 %cond, label %subregion_if, label %subregion_exit

subregion_if:
  %synthgep = load double, double* %gep
  br label %subregion_exit

subregion_exit:
  %retval = load double, double* %gep
  ret double %retval
}