mirror of
https://github.com/c64scene-ar/llvm-6502.git
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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
71 lines
2.7 KiB
LLVM
71 lines
2.7 KiB
LLVM
; RUN: llc -mcpu=cyclone -debug-only=loop-reduce < %s 2>&1 | FileCheck %s
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; REQUIRES: asserts
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; LSR used to fail here due to a bug in the ReqRegs test.
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; CHECK: The chosen solution requires
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; CHECK-NOT: No Satisfactory Solution
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios"
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define void @do_integer_add(i64 %iterations, i8* nocapture readonly %cookie) {
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entry:
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%N = bitcast i8* %cookie to i32*
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%0 = load i32, i32* %N, align 4
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%add = add nsw i32 %0, 57
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%cmp56 = icmp eq i64 %iterations, 0
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br i1 %cmp56, label %while.end, label %for.cond.preheader.preheader
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for.cond.preheader.preheader: ; preds = %entry
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br label %for.cond.preheader
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while.cond.loopexit: ; preds = %for.body
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%add21.lcssa = phi i32 [ %add21, %for.body ]
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%dec58 = add i64 %dec58.in, -1
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%cmp = icmp eq i64 %dec58, 0
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br i1 %cmp, label %while.end.loopexit, label %for.cond.preheader
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for.cond.preheader: ; preds = %for.cond.preheader.preheader, %while.cond.loopexit
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%dec58.in = phi i64 [ %dec58, %while.cond.loopexit ], [ %iterations, %for.cond.preheader.preheader ]
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%a.057 = phi i32 [ %add21.lcssa, %while.cond.loopexit ], [ %add, %for.cond.preheader.preheader ]
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br label %for.body
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for.body: ; preds = %for.body, %for.cond.preheader
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%a.154 = phi i32 [ %a.057, %for.cond.preheader ], [ %add21, %for.body ]
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%i.053 = phi i32 [ 1, %for.cond.preheader ], [ %inc, %for.body ]
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%inc = add nsw i32 %i.053, 1
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%add2 = shl i32 %a.154, 1
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%add3 = add nsw i32 %add2, %i.053
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%add4 = shl i32 %add3, 1
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%add5 = add nsw i32 %add4, %i.053
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%add6 = shl i32 %add5, 1
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%add7 = add nsw i32 %add6, %i.053
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%add8 = shl i32 %add7, 1
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%add9 = add nsw i32 %add8, %i.053
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%add10 = shl i32 %add9, 1
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%add11 = add nsw i32 %add10, %i.053
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%add12 = shl i32 %add11, 1
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%add13 = add nsw i32 %add12, %i.053
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%add14 = shl i32 %add13, 1
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%add15 = add nsw i32 %add14, %i.053
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%add16 = shl i32 %add15, 1
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%add17 = add nsw i32 %add16, %i.053
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%add18 = shl i32 %add17, 1
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%add19 = add nsw i32 %add18, %i.053
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%add20 = shl i32 %add19, 1
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%add21 = add nsw i32 %add20, %i.053
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%exitcond = icmp eq i32 %inc, 1001
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br i1 %exitcond, label %while.cond.loopexit, label %for.body
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while.end.loopexit: ; preds = %while.cond.loopexit
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%add21.lcssa.lcssa = phi i32 [ %add21.lcssa, %while.cond.loopexit ]
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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%a.0.lcssa = phi i32 [ %add, %entry ], [ %add21.lcssa.lcssa, %while.end.loopexit ]
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tail call void @use_int(i32 %a.0.lcssa)
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ret void
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}
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declare void @use_int(i32)
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