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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
51 lines
1.8 KiB
LLVM
51 lines
1.8 KiB
LLVM
; RUN: opt -S -basicaa -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-macosx10.8.0"
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@uf = common global [100 x i32] zeroinitializer, align 16
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@xi = common global [100 x i32] zeroinitializer, align 16
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@q = common global [100 x i32] zeroinitializer, align 16
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; PR16455
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; Due to a bug in the way we handled reverse induction stores we would generate
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; a shuffle too many.
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define void @t() {
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entry:
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br label %for.body
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; CHECK-LABEL: @t(
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; CHECK: vector.body:
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; CHECK: [[VAR1:%[a-zA-Z0-9.]+]] = load <4 x i32>
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; CHECK: [[VAR2:%[a-zA-Z0-9.]+]] = load <4 x i32>
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; CHECK: [[VAR3:%[a-zA-Z0-9]+]] = add nsw <4 x i32> [[VAR2]], [[VAR1]]
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; CHECK: store <4 x i32> [[VAR3]]
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; CHECK: [[VAR4:%[a-zA-Z0-9.]+]] = load <4 x i32>
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; CHECK: add nsw <4 x i32> [[VAR3]], [[VAR4]]
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; CHECK-NOT: shufflevector
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for.body:
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%indvars.iv = phi i64 [ 93, %entry ], [ %indvars.iv.next, %for.body ]
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%0 = add i64 %indvars.iv, 1
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%arrayidx = getelementptr inbounds [100 x i32], [100 x i32]* @uf, i64 0, i64 %0
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%arrayidx3 = getelementptr inbounds [100 x i32], [100 x i32]* @xi, i64 0, i64 %0
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%1 = load i32, i32* %arrayidx3, align 4
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%2 = load i32, i32* %arrayidx, align 4
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%add4 = add nsw i32 %2, %1
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store i32 %add4, i32* %arrayidx, align 4
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%arrayidx7 = getelementptr inbounds [100 x i32], [100 x i32]* @q, i64 0, i64 %0
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%3 = load i32, i32* %arrayidx7, align 4
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%add8 = add nsw i32 %add4, %3
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store i32 %add8, i32* %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv, -1
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%4 = trunc i64 %indvars.iv.next to i32
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%cmp = icmp ugt i32 %4, 2
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br i1 %cmp, label %for.body, label %for.end
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for.end:
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ret void
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}
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