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
235 lines
8.2 KiB
LLVM
235 lines
8.2 KiB
LLVM
; RUN: opt < %s -analyze -scalar-evolution -S | FileCheck %s
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; Indvars should be able to find the trip count for the bb6 loop
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; without using a maximum calculation (icmp, select) because it should
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; be able to prove that the comparison is guarded by an appropriate
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; conditional branch. Unfortunately, indvars is not yet able to find
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; the comparison for the other two loops in this testcase.
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;
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; CHECK: Loop %bb6: backedge-taken count is (-1 + %w)
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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"
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target triple = "i386-apple-darwin9"
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define void @foo(i8* %r, i32 %s, i32 %w, i32 %x, i8* %j, i32 %d) nounwind {
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entry:
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%0 = mul i32 %x, %w ; <i32> [#uses=2]
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%1 = mul i32 %x, %w ; <i32> [#uses=1]
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%2 = sdiv i32 %1, 4 ; <i32> [#uses=1]
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%.sum2 = add i32 %2, %0 ; <i32> [#uses=2]
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%cond = icmp eq i32 %d, 1 ; <i1> [#uses=1]
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br i1 %cond, label %bb29, label %bb10.preheader
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bb10.preheader: ; preds = %entry
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%3 = icmp sgt i32 %x, 0 ; <i1> [#uses=1]
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br i1 %3, label %bb.nph9, label %bb18.loopexit
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bb.nph7: ; preds = %bb7.preheader
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%4 = mul i32 %y.08, %w ; <i32> [#uses=1]
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%5 = mul i32 %y.08, %s ; <i32> [#uses=1]
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%6 = add i32 %5, 1 ; <i32> [#uses=1]
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br label %bb6
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bb6: ; preds = %bb7, %bb.nph7
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%x.06 = phi i32 [ %13, %bb7 ], [ 0, %bb.nph7 ] ; <i32> [#uses=3]
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%7 = add i32 %x.06, %4 ; <i32> [#uses=1]
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%8 = shl i32 %x.06, 1 ; <i32> [#uses=1]
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%9 = add i32 %6, %8 ; <i32> [#uses=1]
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%10 = getelementptr i8, i8* %r, i32 %9 ; <i8*> [#uses=1]
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%11 = load i8, i8* %10, align 1 ; <i8> [#uses=1]
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%12 = getelementptr i8, i8* %j, i32 %7 ; <i8*> [#uses=1]
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store i8 %11, i8* %12, align 1
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%13 = add i32 %x.06, 1 ; <i32> [#uses=2]
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br label %bb7
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bb7: ; preds = %bb6
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%14 = icmp slt i32 %13, %w ; <i1> [#uses=1]
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br i1 %14, label %bb6, label %bb7.bb9_crit_edge
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bb7.bb9_crit_edge: ; preds = %bb7
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br label %bb9
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bb9: ; preds = %bb7.preheader, %bb7.bb9_crit_edge
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%15 = add i32 %y.08, 1 ; <i32> [#uses=2]
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br label %bb10
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bb10: ; preds = %bb9
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%16 = icmp slt i32 %15, %x ; <i1> [#uses=1]
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br i1 %16, label %bb7.preheader, label %bb10.bb18.loopexit_crit_edge
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bb10.bb18.loopexit_crit_edge: ; preds = %bb10
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br label %bb10.bb18.loopexit_crit_edge.split
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bb10.bb18.loopexit_crit_edge.split: ; preds = %bb.nph9, %bb10.bb18.loopexit_crit_edge
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br label %bb18.loopexit
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bb.nph9: ; preds = %bb10.preheader
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%17 = icmp sgt i32 %w, 0 ; <i1> [#uses=1]
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br i1 %17, label %bb.nph9.split, label %bb10.bb18.loopexit_crit_edge.split
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bb.nph9.split: ; preds = %bb.nph9
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br label %bb7.preheader
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bb7.preheader: ; preds = %bb.nph9.split, %bb10
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%y.08 = phi i32 [ %15, %bb10 ], [ 0, %bb.nph9.split ] ; <i32> [#uses=3]
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br i1 true, label %bb.nph7, label %bb9
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bb.nph5: ; preds = %bb18.loopexit
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%18 = sdiv i32 %w, 2 ; <i32> [#uses=1]
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%19 = icmp slt i32 %w, 2 ; <i1> [#uses=1]
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%20 = sdiv i32 %x, 2 ; <i32> [#uses=1]
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br i1 %19, label %bb18.bb20_crit_edge.split, label %bb.nph5.split
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bb.nph5.split: ; preds = %bb.nph5
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br label %bb13
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bb13: ; preds = %bb18, %bb.nph5.split
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%y.14 = phi i32 [ %42, %bb18 ], [ 0, %bb.nph5.split ] ; <i32> [#uses=4]
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%21 = mul i32 %18, %y.14 ; <i32> [#uses=2]
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%22 = shl i32 %y.14, 1 ; <i32> [#uses=1]
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%23 = srem i32 %y.14, 2 ; <i32> [#uses=1]
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%24 = add i32 %23, %22 ; <i32> [#uses=1]
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%25 = mul i32 %24, %s ; <i32> [#uses=2]
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br i1 true, label %bb.nph3, label %bb17
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bb.nph3: ; preds = %bb13
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%26 = add i32 %21, %0 ; <i32> [#uses=1]
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%27 = add i32 %21, %.sum2 ; <i32> [#uses=1]
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%28 = sdiv i32 %w, 2 ; <i32> [#uses=1]
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br label %bb14
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bb14: ; preds = %bb15, %bb.nph3
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%x.12 = phi i32 [ %40, %bb15 ], [ 0, %bb.nph3 ] ; <i32> [#uses=5]
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%29 = shl i32 %x.12, 2 ; <i32> [#uses=1]
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%30 = add i32 %29, %25 ; <i32> [#uses=1]
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%31 = getelementptr i8, i8* %r, i32 %30 ; <i8*> [#uses=1]
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%32 = load i8, i8* %31, align 1 ; <i8> [#uses=1]
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%.sum = add i32 %26, %x.12 ; <i32> [#uses=1]
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%33 = getelementptr i8, i8* %j, i32 %.sum ; <i8*> [#uses=1]
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store i8 %32, i8* %33, align 1
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%34 = shl i32 %x.12, 2 ; <i32> [#uses=1]
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%35 = or i32 %34, 2 ; <i32> [#uses=1]
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%36 = add i32 %35, %25 ; <i32> [#uses=1]
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%37 = getelementptr i8, i8* %r, i32 %36 ; <i8*> [#uses=1]
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%38 = load i8, i8* %37, align 1 ; <i8> [#uses=1]
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%.sum6 = add i32 %27, %x.12 ; <i32> [#uses=1]
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%39 = getelementptr i8, i8* %j, i32 %.sum6 ; <i8*> [#uses=1]
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store i8 %38, i8* %39, align 1
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%40 = add i32 %x.12, 1 ; <i32> [#uses=2]
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br label %bb15
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bb15: ; preds = %bb14
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%41 = icmp sgt i32 %28, %40 ; <i1> [#uses=1]
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br i1 %41, label %bb14, label %bb15.bb17_crit_edge
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bb15.bb17_crit_edge: ; preds = %bb15
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br label %bb17
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bb17: ; preds = %bb15.bb17_crit_edge, %bb13
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%42 = add i32 %y.14, 1 ; <i32> [#uses=2]
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br label %bb18
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bb18.loopexit: ; preds = %bb10.bb18.loopexit_crit_edge.split, %bb10.preheader
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%43 = icmp slt i32 %x, 2 ; <i1> [#uses=1]
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br i1 %43, label %bb20, label %bb.nph5
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bb18: ; preds = %bb17
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%44 = icmp sgt i32 %20, %42 ; <i1> [#uses=1]
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br i1 %44, label %bb13, label %bb18.bb20_crit_edge
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bb18.bb20_crit_edge: ; preds = %bb18
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br label %bb18.bb20_crit_edge.split
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bb18.bb20_crit_edge.split: ; preds = %bb18.bb20_crit_edge, %bb.nph5
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br label %bb20
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bb20: ; preds = %bb18.bb20_crit_edge.split, %bb18.loopexit
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switch i32 %d, label %return [
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i32 3, label %bb22
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i32 1, label %bb29
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]
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bb22: ; preds = %bb20
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%45 = mul i32 %x, %w ; <i32> [#uses=1]
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%46 = sdiv i32 %45, 4 ; <i32> [#uses=1]
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%.sum3 = add i32 %46, %.sum2 ; <i32> [#uses=2]
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%47 = add i32 %x, 15 ; <i32> [#uses=1]
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%48 = and i32 %47, -16 ; <i32> [#uses=1]
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%49 = add i32 %w, 15 ; <i32> [#uses=1]
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%50 = and i32 %49, -16 ; <i32> [#uses=1]
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%51 = mul i32 %48, %s ; <i32> [#uses=1]
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%52 = icmp sgt i32 %x, 0 ; <i1> [#uses=1]
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br i1 %52, label %bb.nph, label %bb26
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bb.nph: ; preds = %bb22
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br label %bb23
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bb23: ; preds = %bb24, %bb.nph
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%y.21 = phi i32 [ %57, %bb24 ], [ 0, %bb.nph ] ; <i32> [#uses=3]
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%53 = mul i32 %y.21, %50 ; <i32> [#uses=1]
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%.sum1 = add i32 %53, %51 ; <i32> [#uses=1]
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%54 = getelementptr i8, i8* %r, i32 %.sum1 ; <i8*> [#uses=1]
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%55 = mul i32 %y.21, %w ; <i32> [#uses=1]
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%.sum5 = add i32 %55, %.sum3 ; <i32> [#uses=1]
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%56 = getelementptr i8, i8* %j, i32 %.sum5 ; <i8*> [#uses=1]
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %56, i8* %54, i32 %w, i32 1, i1 false)
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%57 = add i32 %y.21, 1 ; <i32> [#uses=2]
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br label %bb24
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bb24: ; preds = %bb23
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%58 = icmp slt i32 %57, %x ; <i1> [#uses=1]
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br i1 %58, label %bb23, label %bb24.bb26_crit_edge
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bb24.bb26_crit_edge: ; preds = %bb24
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br label %bb26
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bb26: ; preds = %bb24.bb26_crit_edge, %bb22
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%59 = mul i32 %x, %w ; <i32> [#uses=1]
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%.sum4 = add i32 %.sum3, %59 ; <i32> [#uses=1]
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%60 = getelementptr i8, i8* %j, i32 %.sum4 ; <i8*> [#uses=1]
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%61 = mul i32 %x, %w ; <i32> [#uses=1]
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%62 = sdiv i32 %61, 2 ; <i32> [#uses=1]
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tail call void @llvm.memset.p0i8.i32(i8* %60, i8 -128, i32 %62, i32 1, i1 false)
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ret void
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bb29: ; preds = %bb20, %entry
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%63 = add i32 %w, 15 ; <i32> [#uses=1]
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%64 = and i32 %63, -16 ; <i32> [#uses=1]
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%65 = icmp sgt i32 %x, 0 ; <i1> [#uses=1]
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br i1 %65, label %bb.nph11, label %bb33
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bb.nph11: ; preds = %bb29
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br label %bb30
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bb30: ; preds = %bb31, %bb.nph11
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%y.310 = phi i32 [ %70, %bb31 ], [ 0, %bb.nph11 ] ; <i32> [#uses=3]
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%66 = mul i32 %y.310, %64 ; <i32> [#uses=1]
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%67 = getelementptr i8, i8* %r, i32 %66 ; <i8*> [#uses=1]
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%68 = mul i32 %y.310, %w ; <i32> [#uses=1]
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%69 = getelementptr i8, i8* %j, i32 %68 ; <i8*> [#uses=1]
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %69, i8* %67, i32 %w, i32 1, i1 false)
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%70 = add i32 %y.310, 1 ; <i32> [#uses=2]
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br label %bb31
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bb31: ; preds = %bb30
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%71 = icmp slt i32 %70, %x ; <i1> [#uses=1]
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br i1 %71, label %bb30, label %bb31.bb33_crit_edge
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bb31.bb33_crit_edge: ; preds = %bb31
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br label %bb33
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bb33: ; preds = %bb31.bb33_crit_edge, %bb29
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%72 = mul i32 %x, %w ; <i32> [#uses=1]
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%73 = getelementptr i8, i8* %j, i32 %72 ; <i8*> [#uses=1]
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%74 = mul i32 %x, %w ; <i32> [#uses=1]
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%75 = sdiv i32 %74, 2 ; <i32> [#uses=1]
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tail call void @llvm.memset.p0i8.i32(i8* %73, i8 -128, i32 %75, i32 1, i1 false)
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ret void
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return: ; preds = %bb20
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
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declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
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