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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
23 lines
1.0 KiB
LLVM
23 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple=i686-linux -mattr=+sse2 | grep movsd | count 5
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; RUN: llc < %s -mtriple=i686-linux -mattr=+sse2 | grep movl | count 2
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@atomic = global double 0.000000e+00 ; <double*> [#uses=1]
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@atomic2 = global double 0.000000e+00 ; <double*> [#uses=1]
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@anything = global i64 0 ; <i64*> [#uses=1]
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@ioport = global i32 0 ; <i32*> [#uses=2]
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define i16 @f(i64 %x, double %y) {
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%b = bitcast i64 %x to double ; <double> [#uses=1]
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store volatile double %b, double* @atomic ; one processor operation only
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store volatile double 0.000000e+00, double* @atomic2 ; one processor operation only
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%b2 = bitcast double %y to i64 ; <i64> [#uses=1]
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store volatile i64 %b2, i64* @anything ; may transform to store of double
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%l = load volatile i32, i32* @ioport ; must not narrow
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%t = trunc i32 %l to i16 ; <i16> [#uses=1]
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%l2 = load volatile i32, i32* @ioport ; must not narrow
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%tmp = lshr i32 %l2, 16 ; <i32> [#uses=1]
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%t2 = trunc i32 %tmp to i16 ; <i16> [#uses=1]
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%f = add i16 %t, %t2 ; <i16> [#uses=1]
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ret i16 %f
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}
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