mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-04 18:06:49 +00:00
7c9c6ed761
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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
1.0 KiB
LLVM
27 lines
1.0 KiB
LLVM
; RUN: llc < %s -verify-machineinstrs -verify-coalescing
|
|
;
|
|
; This function has a PHI with one undefined input. Verify that PHIElimination
|
|
; inserts an IMPLICIT_DEF instruction in the predecessor so all paths to the use
|
|
; pass through a def.
|
|
|
|
%struct.xx_stack = type { i32, %struct.xx_stack* }
|
|
|
|
define i32 @push(%struct.xx_stack* %stack) nounwind uwtable readonly ssp {
|
|
entry:
|
|
%tobool1 = icmp eq %struct.xx_stack* %stack, null
|
|
br i1 %tobool1, label %for.end, label %for.body
|
|
|
|
for.body:
|
|
%stack.addr.02 = phi %struct.xx_stack* [ %0, %for.body ], [ %stack, %entry ]
|
|
%next = getelementptr inbounds %struct.xx_stack, %struct.xx_stack* %stack.addr.02, i64 0, i32 1
|
|
%0 = load %struct.xx_stack*, %struct.xx_stack** %next, align 8
|
|
%tobool = icmp eq %struct.xx_stack* %0, null
|
|
br i1 %tobool, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
%top.0.lcssa = phi %struct.xx_stack* [ undef, %entry ], [ %stack.addr.02, %for.body ]
|
|
%first = getelementptr inbounds %struct.xx_stack, %struct.xx_stack* %top.0.lcssa, i64 0, i32 0
|
|
%1 = load i32, i32* %first, align 4
|
|
ret i32 %1
|
|
}
|