mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 12:43:36 +01:00
ab043ff680
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
llvm-svn: 230794
89 lines
2.9 KiB
LLVM
89 lines
2.9 KiB
LLVM
; REQUIRES: asserts
|
|
; RUN: opt -loop-unswitch -loop-unswitch-threshold 13 -disable-output -stats -info-output-file - < %s | FileCheck --check-prefix=STATS %s
|
|
; RUN: opt -S -loop-unswitch -loop-unswitch-threshold 13 -verify-loop-info -verify-dom-info < %s | FileCheck %s
|
|
|
|
; STATS: 1 loop-simplify - Number of pre-header or exit blocks inserted
|
|
; STATS: 1 loop-unswitch - Number of switches unswitched
|
|
|
|
; ModuleID = '../llvm/test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches.ll'
|
|
|
|
; CHECK: %1 = icmp eq i32 %c, 1
|
|
; CHECK-NEXT: br i1 %1, label %.split.us, label %..split_crit_edge
|
|
|
|
; CHECK: ..split_crit_edge: ; preds = %0
|
|
; CHECK-NEXT: br label %.split
|
|
|
|
; CHECK: .split.us: ; preds = %0
|
|
; CHECK-NEXT: br label %loop_begin.us
|
|
|
|
; CHECK: loop_begin.us: ; preds = %loop_begin.backedge.us, %.split.us
|
|
; CHECK: switch i32 1, label %second_switch.us [
|
|
; CHECK-NEXT: i32 1, label %inc.us
|
|
|
|
; CHECK: second_switch.us: ; preds = %loop_begin.us
|
|
; CHECK-NEXT: switch i32 %d, label %default.us [
|
|
; CHECK-NEXT: i32 1, label %inc.us
|
|
; CHECK-NEXT: ]
|
|
|
|
; CHECK: inc.us: ; preds = %second_switch.us, %loop_begin.us
|
|
; CHECK-NEXT: call void @incf() [[NOR_NUW:#[0-9]+]]
|
|
; CHECK-NEXT: br label %loop_begin.backedge.us
|
|
|
|
; CHECK: .split: ; preds = %..split_crit_edge
|
|
; CHECK-NEXT: br label %loop_begin
|
|
|
|
; CHECK: loop_begin: ; preds = %loop_begin.backedge, %.split
|
|
; CHECK: switch i32 %c, label %second_switch [
|
|
; CHECK-NEXT: i32 1, label %loop_begin.inc_crit_edge
|
|
; CHECK-NEXT: ]
|
|
|
|
; CHECK: loop_begin.inc_crit_edge: ; preds = %loop_begin
|
|
; CHECK-NEXT: br i1 true, label %us-unreachable, label %inc
|
|
|
|
; CHECK: second_switch: ; preds = %loop_begin
|
|
; CHECK-NEXT: switch i32 %d, label %default [
|
|
; CHECK-NEXT: i32 1, label %inc
|
|
; CHECK-NEXT: ]
|
|
|
|
; CHECK: inc: ; preds = %loop_begin.inc_crit_edge, %second_switch
|
|
; CHECK-NEXT: call void @incf() [[NOR_NUW]]
|
|
; CHECK-NEXT: br label %loop_begin.backedge
|
|
|
|
define i32 @test(i32* %var) {
|
|
%mem = alloca i32
|
|
store i32 2, i32* %mem
|
|
%c = load i32, i32* %mem
|
|
%d = load i32, i32* %mem
|
|
|
|
br label %loop_begin
|
|
|
|
loop_begin:
|
|
|
|
%var_val = load i32, i32* %var
|
|
|
|
switch i32 %c, label %second_switch [
|
|
i32 1, label %inc
|
|
]
|
|
|
|
second_switch:
|
|
switch i32 %d, label %default [
|
|
i32 1, label %inc
|
|
]
|
|
|
|
inc:
|
|
call void @incf() noreturn nounwind
|
|
br label %loop_begin
|
|
|
|
default:
|
|
br label %loop_begin
|
|
|
|
loop_exit:
|
|
ret i32 0
|
|
}
|
|
|
|
declare void @incf() noreturn
|
|
declare void @decf() noreturn
|
|
|
|
; CHECK: attributes #0 = { noreturn }
|
|
; CHECK: attributes [[NOR_NUW]] = { noreturn nounwind }
|