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
58 lines
1.8 KiB
LLVM
58 lines
1.8 KiB
LLVM
; RUN: opt < %s -ipconstprop -S > %t
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; RUN: cat %t | grep "store i32 %Z, i32\* %Q"
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; RUN: cat %t | grep "add i32 1, 3"
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;; This function returns its second argument on all return statements
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define internal i32* @incdec(i1 %C, i32* %V) {
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%X = load i32, i32* %V
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br i1 %C, label %T, label %F
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T: ; preds = %0
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%X1 = add i32 %X, 1
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store i32 %X1, i32* %V
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ret i32* %V
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F: ; preds = %0
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%X2 = sub i32 %X, 1
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store i32 %X2, i32* %V
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ret i32* %V
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}
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;; This function returns its first argument as a part of a multiple return
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;; value
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define internal { i32, i32 } @foo(i32 %A, i32 %B) {
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%X = add i32 %A, %B
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%Y = insertvalue { i32, i32 } undef, i32 %A, 0
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%Z = insertvalue { i32, i32 } %Y, i32 %X, 1
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ret { i32, i32 } %Z
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}
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define void @caller(i1 %C) {
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%Q = alloca i32
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;; Call incdec to see if %W is properly replaced by %Q
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%W = call i32* @incdec(i1 %C, i32* %Q ) ; <i32> [#uses=1]
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;; Call @foo twice, to prevent the arguments from propagating into the
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;; function (so we can check the returned argument is properly
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;; propagated per-caller).
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%S1 = call { i32, i32 } @foo(i32 1, i32 2)
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%X1 = extractvalue { i32, i32 } %S1, 0
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%S2 = invoke { i32, i32 } @foo(i32 3, i32 4) to label %OK unwind label %LPAD
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OK:
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%X2 = extractvalue { i32, i32 } %S2, 0
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;; Do some stuff with the returned values which we can grep for
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%Z = add i32 %X1, %X2
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store i32 %Z, i32* %W
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br label %RET
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LPAD:
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%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
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cleanup
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br label %RET
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RET:
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ret void
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}
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declare i32 @__gxx_personality_v0(...)
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