mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +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
241 lines
13 KiB
LLVM
241 lines
13 KiB
LLVM
; RUN: llc -march=x86-64 < %s -block-placement-exit-block-bias=20 | FileCheck %s
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.9.0"
|
|
|
|
; This is longest_match, the hot function from zlib's deflate implementation.
|
|
|
|
%struct.internal_state = type { %struct.z_stream_s*, i32, i8*, i64, i8*, i32, i32, %struct.gz_header_s*, i32, i8, i32, i32, i32, i32, i8*, i64, i16*, i16*, i32, i32, i32, i32, i32, i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, [573 x %struct.ct_data_s], [61 x %struct.ct_data_s], [39 x %struct.ct_data_s], %struct.tree_desc_s, %struct.tree_desc_s, %struct.tree_desc_s, [16 x i16], [573 x i32], i32, i32, [573 x i8], i8*, i32, i32, i16*, i64, i64, i32, i32, i16, i32, i64 }
|
|
%struct.z_stream_s = type { i8*, i32, i64, i8*, i32, i64, i8*, %struct.internal_state*, i8* (i8*, i32, i32)*, void (i8*, i8*)*, i8*, i32, i64, i64 }
|
|
%struct.gz_header_s = type { i32, i64, i32, i32, i8*, i32, i32, i8*, i32, i8*, i32, i32, i32 }
|
|
%struct.ct_data_s = type { %union.anon, %union.anon.0 }
|
|
%union.anon = type { i16 }
|
|
%union.anon.0 = type { i16 }
|
|
%struct.tree_desc_s = type { %struct.ct_data_s*, i32, %struct.static_tree_desc_s* }
|
|
%struct.static_tree_desc_s = type { i32 }
|
|
|
|
; CHECK-LABEL: longest_match:
|
|
|
|
; Verify that there are no spills or reloads in the loop exit block. This loop
|
|
; is mostly cold, only %do.cond125 and %land.rhs131 are hot.
|
|
; CHECK: %do.cond125
|
|
; CHECK-NOT: {{Spill|Reload}}
|
|
; CHECK: jbe
|
|
|
|
; Verify that block placement doesn't destroy source order. It's important that
|
|
; the two hot blocks are laid out close to each other.
|
|
; CHECK-NEXT: %land.rhs131
|
|
; CHECK: jne
|
|
; CHECK: jmp
|
|
define i32 @longest_match(%struct.internal_state* nocapture %s, i32 %cur_match) nounwind {
|
|
entry:
|
|
%max_chain_length = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 31
|
|
%0 = load i32, i32* %max_chain_length, align 4
|
|
%window = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 14
|
|
%1 = load i8*, i8** %window, align 8
|
|
%strstart = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 27
|
|
%2 = load i32, i32* %strstart, align 4
|
|
%idx.ext = zext i32 %2 to i64
|
|
%add.ptr = getelementptr inbounds i8, i8* %1, i64 %idx.ext
|
|
%prev_length = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 30
|
|
%3 = load i32, i32* %prev_length, align 4
|
|
%nice_match1 = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 36
|
|
%4 = load i32, i32* %nice_match1, align 4
|
|
%w_size = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 11
|
|
%5 = load i32, i32* %w_size, align 4
|
|
%sub = add i32 %5, -262
|
|
%cmp = icmp ugt i32 %2, %sub
|
|
%sub6 = sub i32 %2, %sub
|
|
%sub6. = select i1 %cmp, i32 %sub6, i32 0
|
|
%prev7 = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 16
|
|
%6 = load i16*, i16** %prev7, align 8
|
|
%w_mask = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 13
|
|
%7 = load i32, i32* %w_mask, align 4
|
|
%add.ptr11.sum = add i64 %idx.ext, 258
|
|
%add.ptr12 = getelementptr inbounds i8, i8* %1, i64 %add.ptr11.sum
|
|
%sub13 = add nsw i32 %3, -1
|
|
%idxprom = sext i32 %sub13 to i64
|
|
%add.ptr.sum = add i64 %idxprom, %idx.ext
|
|
%arrayidx = getelementptr inbounds i8, i8* %1, i64 %add.ptr.sum
|
|
%8 = load i8, i8* %arrayidx, align 1
|
|
%idxprom14 = sext i32 %3 to i64
|
|
%add.ptr.sum213 = add i64 %idxprom14, %idx.ext
|
|
%arrayidx15 = getelementptr inbounds i8, i8* %1, i64 %add.ptr.sum213
|
|
%9 = load i8, i8* %arrayidx15, align 1
|
|
%good_match = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 35
|
|
%10 = load i32, i32* %good_match, align 4
|
|
%cmp17 = icmp ult i32 %3, %10
|
|
%shr = lshr i32 %0, 2
|
|
%chain_length.0 = select i1 %cmp17, i32 %0, i32 %shr
|
|
%lookahead = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 29
|
|
%11 = load i32, i32* %lookahead, align 4
|
|
%cmp18 = icmp ugt i32 %4, %11
|
|
%. = select i1 %cmp18, i32 %11, i32 %4
|
|
%match_start = getelementptr inbounds %struct.internal_state, %struct.internal_state* %s, i64 0, i32 28
|
|
%add.ptr.sum217 = add i64 %idx.ext, 1
|
|
%arrayidx44 = getelementptr inbounds i8, i8* %1, i64 %add.ptr.sum217
|
|
%add.ptr.sum218 = add i64 %idx.ext, 2
|
|
%add.ptr50 = getelementptr inbounds i8, i8* %1, i64 %add.ptr.sum218
|
|
%sub.ptr.lhs.cast = ptrtoint i8* %add.ptr12 to i64
|
|
br label %do.body
|
|
|
|
do.body: ; preds = %land.rhs131, %entry
|
|
%best_len.0 = phi i32 [ %best_len.1, %land.rhs131 ], [ %3, %entry ]
|
|
%chain_length.1 = phi i32 [ %dec, %land.rhs131 ], [ %chain_length.0, %entry ]
|
|
%cur_match.addr.0 = phi i32 [ %conv128, %land.rhs131 ], [ %cur_match, %entry ]
|
|
%scan_end1.0 = phi i8 [ %scan_end1.1, %land.rhs131 ], [ %8, %entry ]
|
|
%scan_end.0 = phi i8 [ %scan_end.1, %land.rhs131 ], [ %9, %entry ]
|
|
%idx.ext23 = zext i32 %cur_match.addr.0 to i64
|
|
%add.ptr24 = getelementptr inbounds i8, i8* %1, i64 %idx.ext23
|
|
%idxprom25 = sext i32 %best_len.0 to i64
|
|
%add.ptr24.sum = add i64 %idx.ext23, %idxprom25
|
|
%arrayidx26 = getelementptr inbounds i8, i8* %1, i64 %add.ptr24.sum
|
|
%12 = load i8, i8* %arrayidx26, align 1
|
|
%cmp28 = icmp eq i8 %12, %scan_end.0
|
|
br i1 %cmp28, label %lor.lhs.false, label %do.cond125
|
|
|
|
lor.lhs.false: ; preds = %do.body
|
|
%sub30 = add nsw i32 %best_len.0, -1
|
|
%idxprom31 = sext i32 %sub30 to i64
|
|
%add.ptr24.sum214 = add i64 %idx.ext23, %idxprom31
|
|
%arrayidx32 = getelementptr inbounds i8, i8* %1, i64 %add.ptr24.sum214
|
|
%13 = load i8, i8* %arrayidx32, align 1
|
|
%cmp35 = icmp eq i8 %13, %scan_end1.0
|
|
br i1 %cmp35, label %lor.lhs.false37, label %do.cond125
|
|
|
|
lor.lhs.false37: ; preds = %lor.lhs.false
|
|
%14 = load i8, i8* %add.ptr24, align 1
|
|
%15 = load i8, i8* %add.ptr, align 1
|
|
%cmp40 = icmp eq i8 %14, %15
|
|
br i1 %cmp40, label %lor.lhs.false42, label %do.cond125
|
|
|
|
lor.lhs.false42: ; preds = %lor.lhs.false37
|
|
%add.ptr24.sum215 = add i64 %idx.ext23, 1
|
|
%incdec.ptr = getelementptr inbounds i8, i8* %1, i64 %add.ptr24.sum215
|
|
%16 = load i8, i8* %incdec.ptr, align 1
|
|
%17 = load i8, i8* %arrayidx44, align 1
|
|
%cmp46 = icmp eq i8 %16, %17
|
|
br i1 %cmp46, label %if.end49, label %do.cond125
|
|
|
|
if.end49: ; preds = %lor.lhs.false42
|
|
%incdec.ptr.sum = add i64 %idx.ext23, 2
|
|
%incdec.ptr51 = getelementptr inbounds i8, i8* %1, i64 %incdec.ptr.sum
|
|
br label %do.cond
|
|
|
|
do.cond: ; preds = %land.lhs.true100, %if.end49
|
|
%match.0 = phi i8* [ %incdec.ptr51, %if.end49 ], [ %incdec.ptr103, %land.lhs.true100 ]
|
|
%scan.1 = phi i8* [ %add.ptr50, %if.end49 ], [ %incdec.ptr101, %land.lhs.true100 ]
|
|
%incdec.ptr53 = getelementptr inbounds i8, i8* %scan.1, i64 1
|
|
%18 = load i8, i8* %incdec.ptr53, align 1
|
|
%incdec.ptr55 = getelementptr inbounds i8, i8* %match.0, i64 1
|
|
%19 = load i8, i8* %incdec.ptr55, align 1
|
|
%cmp57 = icmp eq i8 %18, %19
|
|
br i1 %cmp57, label %land.lhs.true, label %do.end
|
|
|
|
land.lhs.true: ; preds = %do.cond
|
|
%incdec.ptr59 = getelementptr inbounds i8, i8* %scan.1, i64 2
|
|
%20 = load i8, i8* %incdec.ptr59, align 1
|
|
%incdec.ptr61 = getelementptr inbounds i8, i8* %match.0, i64 2
|
|
%21 = load i8, i8* %incdec.ptr61, align 1
|
|
%cmp63 = icmp eq i8 %20, %21
|
|
br i1 %cmp63, label %land.lhs.true65, label %do.end
|
|
|
|
land.lhs.true65: ; preds = %land.lhs.true
|
|
%incdec.ptr66 = getelementptr inbounds i8, i8* %scan.1, i64 3
|
|
%22 = load i8, i8* %incdec.ptr66, align 1
|
|
%incdec.ptr68 = getelementptr inbounds i8, i8* %match.0, i64 3
|
|
%23 = load i8, i8* %incdec.ptr68, align 1
|
|
%cmp70 = icmp eq i8 %22, %23
|
|
br i1 %cmp70, label %land.lhs.true72, label %do.end
|
|
|
|
land.lhs.true72: ; preds = %land.lhs.true65
|
|
%incdec.ptr73 = getelementptr inbounds i8, i8* %scan.1, i64 4
|
|
%24 = load i8, i8* %incdec.ptr73, align 1
|
|
%incdec.ptr75 = getelementptr inbounds i8, i8* %match.0, i64 4
|
|
%25 = load i8, i8* %incdec.ptr75, align 1
|
|
%cmp77 = icmp eq i8 %24, %25
|
|
br i1 %cmp77, label %land.lhs.true79, label %do.end
|
|
|
|
land.lhs.true79: ; preds = %land.lhs.true72
|
|
%incdec.ptr80 = getelementptr inbounds i8, i8* %scan.1, i64 5
|
|
%26 = load i8, i8* %incdec.ptr80, align 1
|
|
%incdec.ptr82 = getelementptr inbounds i8, i8* %match.0, i64 5
|
|
%27 = load i8, i8* %incdec.ptr82, align 1
|
|
%cmp84 = icmp eq i8 %26, %27
|
|
br i1 %cmp84, label %land.lhs.true86, label %do.end
|
|
|
|
land.lhs.true86: ; preds = %land.lhs.true79
|
|
%incdec.ptr87 = getelementptr inbounds i8, i8* %scan.1, i64 6
|
|
%28 = load i8, i8* %incdec.ptr87, align 1
|
|
%incdec.ptr89 = getelementptr inbounds i8, i8* %match.0, i64 6
|
|
%29 = load i8, i8* %incdec.ptr89, align 1
|
|
%cmp91 = icmp eq i8 %28, %29
|
|
br i1 %cmp91, label %land.lhs.true93, label %do.end
|
|
|
|
land.lhs.true93: ; preds = %land.lhs.true86
|
|
%incdec.ptr94 = getelementptr inbounds i8, i8* %scan.1, i64 7
|
|
%30 = load i8, i8* %incdec.ptr94, align 1
|
|
%incdec.ptr96 = getelementptr inbounds i8, i8* %match.0, i64 7
|
|
%31 = load i8, i8* %incdec.ptr96, align 1
|
|
%cmp98 = icmp eq i8 %30, %31
|
|
br i1 %cmp98, label %land.lhs.true100, label %do.end
|
|
|
|
land.lhs.true100: ; preds = %land.lhs.true93
|
|
%incdec.ptr101 = getelementptr inbounds i8, i8* %scan.1, i64 8
|
|
%32 = load i8, i8* %incdec.ptr101, align 1
|
|
%incdec.ptr103 = getelementptr inbounds i8, i8* %match.0, i64 8
|
|
%33 = load i8, i8* %incdec.ptr103, align 1
|
|
%cmp105 = icmp eq i8 %32, %33
|
|
%cmp107 = icmp ult i8* %incdec.ptr101, %add.ptr12
|
|
%or.cond = and i1 %cmp105, %cmp107
|
|
br i1 %or.cond, label %do.cond, label %do.end
|
|
|
|
do.end: ; preds = %land.lhs.true100, %land.lhs.true93, %land.lhs.true86, %land.lhs.true79, %land.lhs.true72, %land.lhs.true65, %land.lhs.true, %do.cond
|
|
%scan.2 = phi i8* [ %incdec.ptr101, %land.lhs.true100 ], [ %incdec.ptr94, %land.lhs.true93 ], [ %incdec.ptr87, %land.lhs.true86 ], [ %incdec.ptr80, %land.lhs.true79 ], [ %incdec.ptr73, %land.lhs.true72 ], [ %incdec.ptr66, %land.lhs.true65 ], [ %incdec.ptr59, %land.lhs.true ], [ %incdec.ptr53, %do.cond ]
|
|
%sub.ptr.rhs.cast = ptrtoint i8* %scan.2 to i64
|
|
%sub.ptr.sub = sub i64 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast
|
|
%conv109 = trunc i64 %sub.ptr.sub to i32
|
|
%sub110 = sub nsw i32 258, %conv109
|
|
%cmp112 = icmp sgt i32 %sub110, %best_len.0
|
|
br i1 %cmp112, label %if.then114, label %do.cond125
|
|
|
|
if.then114: ; preds = %do.end
|
|
store i32 %cur_match.addr.0, i32* %match_start, align 4
|
|
%cmp115 = icmp slt i32 %sub110, %.
|
|
br i1 %cmp115, label %if.end118, label %do.end135
|
|
|
|
if.end118: ; preds = %if.then114
|
|
%sub119 = add nsw i32 %sub110, -1
|
|
%idxprom120 = sext i32 %sub119 to i64
|
|
%add.ptr111.sum = add i64 %idxprom120, %idx.ext
|
|
%arrayidx121 = getelementptr inbounds i8, i8* %1, i64 %add.ptr111.sum
|
|
%34 = load i8, i8* %arrayidx121, align 1
|
|
%idxprom122 = sext i32 %sub110 to i64
|
|
%add.ptr111.sum216 = add i64 %idxprom122, %idx.ext
|
|
%arrayidx123 = getelementptr inbounds i8, i8* %1, i64 %add.ptr111.sum216
|
|
%35 = load i8, i8* %arrayidx123, align 1
|
|
br label %do.cond125
|
|
|
|
do.cond125: ; preds = %if.end118, %do.end, %lor.lhs.false42, %lor.lhs.false37, %lor.lhs.false, %do.body
|
|
%best_len.1 = phi i32 [ %best_len.0, %do.body ], [ %best_len.0, %lor.lhs.false ], [ %best_len.0, %lor.lhs.false37 ], [ %best_len.0, %lor.lhs.false42 ], [ %sub110, %if.end118 ], [ %best_len.0, %do.end ]
|
|
%scan_end1.1 = phi i8 [ %scan_end1.0, %do.body ], [ %scan_end1.0, %lor.lhs.false ], [ %scan_end1.0, %lor.lhs.false37 ], [ %scan_end1.0, %lor.lhs.false42 ], [ %34, %if.end118 ], [ %scan_end1.0, %do.end ]
|
|
%scan_end.1 = phi i8 [ %scan_end.0, %do.body ], [ %scan_end.0, %lor.lhs.false ], [ %scan_end.0, %lor.lhs.false37 ], [ %scan_end.0, %lor.lhs.false42 ], [ %35, %if.end118 ], [ %scan_end.0, %do.end ]
|
|
%and = and i32 %cur_match.addr.0, %7
|
|
%idxprom126 = zext i32 %and to i64
|
|
%arrayidx127 = getelementptr inbounds i16, i16* %6, i64 %idxprom126
|
|
%36 = load i16, i16* %arrayidx127, align 2
|
|
%conv128 = zext i16 %36 to i32
|
|
%cmp129 = icmp ugt i32 %conv128, %sub6.
|
|
br i1 %cmp129, label %land.rhs131, label %do.end135
|
|
|
|
land.rhs131: ; preds = %do.cond125
|
|
%dec = add i32 %chain_length.1, -1
|
|
%cmp132 = icmp eq i32 %dec, 0
|
|
br i1 %cmp132, label %do.end135, label %do.body
|
|
|
|
do.end135: ; preds = %land.rhs131, %do.cond125, %if.then114
|
|
%best_len.2 = phi i32 [ %best_len.1, %land.rhs131 ], [ %best_len.1, %do.cond125 ], [ %sub110, %if.then114 ]
|
|
%cmp137 = icmp ugt i32 %best_len.2, %11
|
|
%.best_len.2 = select i1 %cmp137, i32 %11, i32 %best_len.2
|
|
ret i32 %.best_len.2
|
|
}
|