mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +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
76 lines
3.2 KiB
LLVM
76 lines
3.2 KiB
LLVM
; RUN: llc -regalloc=greedy -arm-atomic-cfg-tidy=0 < %s | FileCheck %s
|
|
|
|
; LSR shouldn't introduce more induction variables than needed, increasing
|
|
; register pressure and therefore spilling. There is more room for improvement
|
|
; here.
|
|
|
|
; CHECK: sub sp, #{{40|36|32|28|24}}
|
|
|
|
; CHECK: %for.inc
|
|
; CHECK-NOT: ldr
|
|
; CHECK: add
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
|
|
target triple = "thumbv7-apple-ios"
|
|
|
|
%struct.partition_entry = type { i32, i32, i64, i64 }
|
|
|
|
define i32 @partition_overlap_check(%struct.partition_entry* nocapture %part, i32 %num_entries) nounwind readonly optsize ssp {
|
|
entry:
|
|
%cmp79 = icmp sgt i32 %num_entries, 0
|
|
br i1 %cmp79, label %outer.loop, label %for.end72
|
|
|
|
outer.loop: ; preds = %for.inc69, %entry
|
|
%overlap.081 = phi i32 [ %overlap.4, %for.inc69 ], [ 0, %entry ]
|
|
%0 = phi i32 [ %inc71, %for.inc69 ], [ 0, %entry ]
|
|
%offset = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %0, i32 2
|
|
%len = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %0, i32 3
|
|
%tmp5 = load i64, i64* %offset, align 4
|
|
%tmp15 = load i64, i64* %len, align 4
|
|
%add = add nsw i64 %tmp15, %tmp5
|
|
br label %inner.loop
|
|
|
|
inner.loop: ; preds = %for.inc, %outer.loop
|
|
%overlap.178 = phi i32 [ %overlap.081, %outer.loop ], [ %overlap.4, %for.inc ]
|
|
%1 = phi i32 [ 0, %outer.loop ], [ %inc, %for.inc ]
|
|
%cmp23 = icmp eq i32 %0, %1
|
|
br i1 %cmp23, label %for.inc, label %if.end
|
|
|
|
if.end: ; preds = %inner.loop
|
|
%len39 = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %1, i32 3
|
|
%offset28 = getelementptr %struct.partition_entry, %struct.partition_entry* %part, i32 %1, i32 2
|
|
%tmp29 = load i64, i64* %offset28, align 4
|
|
%tmp40 = load i64, i64* %len39, align 4
|
|
%add41 = add nsw i64 %tmp40, %tmp29
|
|
%cmp44 = icmp sge i64 %tmp29, %tmp5
|
|
%cmp47 = icmp slt i64 %tmp29, %add
|
|
%or.cond = and i1 %cmp44, %cmp47
|
|
%overlap.2 = select i1 %or.cond, i32 1, i32 %overlap.178
|
|
%cmp52 = icmp sle i64 %add41, %add
|
|
%cmp56 = icmp sgt i64 %add41, %tmp5
|
|
%or.cond74 = and i1 %cmp52, %cmp56
|
|
%overlap.3 = select i1 %or.cond74, i32 1, i32 %overlap.2
|
|
%cmp61 = icmp sgt i64 %tmp29, %tmp5
|
|
%cmp65 = icmp slt i64 %add41, %add
|
|
%or.cond75 = or i1 %cmp61, %cmp65
|
|
br i1 %or.cond75, label %for.inc, label %if.then66
|
|
|
|
if.then66: ; preds = %if.end
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %if.end, %if.then66, %inner.loop
|
|
%overlap.4 = phi i32 [ %overlap.178, %inner.loop ], [ 1, %if.then66 ], [ %overlap.3, %if.end ]
|
|
%inc = add nsw i32 %1, 1
|
|
%exitcond = icmp eq i32 %inc, %num_entries
|
|
br i1 %exitcond, label %for.inc69, label %inner.loop
|
|
|
|
for.inc69: ; preds = %for.inc
|
|
%inc71 = add nsw i32 %0, 1
|
|
%exitcond83 = icmp eq i32 %inc71, %num_entries
|
|
br i1 %exitcond83, label %for.end72, label %outer.loop
|
|
|
|
for.end72: ; preds = %for.inc69, %entry
|
|
%overlap.0.lcssa = phi i32 [ 0, %entry ], [ %overlap.4, %for.inc69 ]
|
|
ret i32 %overlap.0.lcssa
|
|
}
|