mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 03:30:28 +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
57 lines
2.1 KiB
LLVM
57 lines
2.1 KiB
LLVM
; RUN: opt < %s -indvars -S | FileCheck %s
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
|
|
target triple = "i386-apple-darwin10.0"
|
|
|
|
; PR4775
|
|
; Indvars shouldn't sink the alloca out of the entry block, even though
|
|
; it's not used until after the loop.
|
|
define i32 @main() nounwind {
|
|
; CHECK: entry:
|
|
; CHECK-NEXT: %result.i = alloca i32, align 4
|
|
entry:
|
|
%result.i = alloca i32, align 4 ; <i32*> [#uses=2]
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.cond, %entry
|
|
%call = call i32 @bar() nounwind ; <i32> [#uses=1]
|
|
%tobool = icmp eq i32 %call, 0 ; <i1> [#uses=1]
|
|
br i1 %tobool, label %while.end, label %while.cond
|
|
|
|
while.end: ; preds = %while.cond
|
|
store volatile i32 0, i32* %result.i
|
|
%tmp.i = load volatile i32, i32* %result.i ; <i32> [#uses=0]
|
|
ret i32 0
|
|
}
|
|
declare i32 @bar()
|
|
|
|
; <rdar://problem/10352360>
|
|
; Indvars shouldn't sink the first alloca between the stacksave and stackrestore
|
|
; intrinsics.
|
|
declare i8* @a(...)
|
|
declare i8* @llvm.stacksave() nounwind
|
|
declare void @llvm.stackrestore(i8*) nounwind
|
|
define void @h(i64 %n) nounwind uwtable ssp {
|
|
; CHECK: entry:
|
|
; CHECK-NEXT: %vla = alloca i8*
|
|
; CHECK-NEXT: %savedstack = call i8* @llvm.stacksave()
|
|
entry:
|
|
%vla = alloca i8*, i64 %n, align 16
|
|
%savedstack = call i8* @llvm.stacksave() nounwind
|
|
%vla.i = alloca i8*, i64 %n, align 16
|
|
br label %for.body.i
|
|
|
|
for.body.i:
|
|
%indvars.iv37.i = phi i64 [ %indvars.iv.next38.i, %for.body.i ], [ 0, %entry ]
|
|
%call.i = call i8* (...)* @a() nounwind
|
|
%arrayidx.i = getelementptr inbounds i8*, i8** %vla.i, i64 %indvars.iv37.i
|
|
store i8* %call.i, i8** %arrayidx.i, align 8
|
|
%indvars.iv.next38.i = add i64 %indvars.iv37.i, 1
|
|
%exitcond5 = icmp eq i64 %indvars.iv.next38.i, %n
|
|
br i1 %exitcond5, label %g.exit, label %for.body.i
|
|
|
|
g.exit:
|
|
call void @llvm.stackrestore(i8* %savedstack) nounwind
|
|
%call1 = call i8* (...)* @a(i8** %vla) nounwind
|
|
ret void
|
|
}
|