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Diffstat (limited to 'test/CodeGen/X86/zlib-longest-match.ll')
| -rw-r--r-- | test/CodeGen/X86/zlib-longest-match.ll | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/test/CodeGen/X86/zlib-longest-match.ll b/test/CodeGen/X86/zlib-longest-match.ll deleted file mode 100644 index 7be03f662dae..000000000000 --- a/test/CodeGen/X86/zlib-longest-match.ll +++ /dev/null @@ -1,239 +0,0 @@ -; RUN: llc -march=x86-64 < %s -block-placement-exit-block-bias=20 -no-phi-elim-live-out-early-exit | 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 -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 -} |