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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
28 lines
1003 B
LLVM
28 lines
1003 B
LLVM
; RUN: opt -scalarrepl -S < %s | FileCheck %s
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; rdar://9786827
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; SROA should be able to handle the mixed types and eliminate the allocas here.
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; TODO: Currently it does this by falling back to integer "bags of bits".
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; With enough cleverness, it should be possible to convert between <3 x i32>
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; and <2 x i64> by using a combination of a bitcast and a shuffle.
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; CHECK: {
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; CHECK-NOT: alloca
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; CHECK: }
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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-n8:16:32"
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target triple = "i386-apple-darwin11.0.0"
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define <2 x i64> @foo() nounwind {
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entry:
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%retval = alloca <3 x i32>, align 16
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%z = alloca <4 x i32>, align 16
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%tmp = load <4 x i32>, <4 x i32>* %z
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%tmp1 = shufflevector <4 x i32> %tmp, <4 x i32> undef, <3 x i32> <i32 0, i32 1, i32 2>
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store <3 x i32> %tmp1, <3 x i32>* %retval
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%0 = bitcast <3 x i32>* %retval to <2 x i64>*
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%1 = load <2 x i64>, <2 x i64>* %0, align 1
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ret <2 x i64> %1
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}
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