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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
67 lines
1.3 KiB
LLVM
67 lines
1.3 KiB
LLVM
; RUN: opt < %s -simplifycfg -adce -S | \
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; RUN: not grep "call void @f1"
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; END.
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declare void @f1()
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declare void @f2()
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declare void @f3()
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declare void @f4()
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define i32 @test1(i32 %X, i1 %D) {
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E:
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%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
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br i1 %C, label %T, label %F
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T: ; preds = %A, %E
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br i1 %C, label %B, label %A
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A: ; preds = %T
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call void @f1( )
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br i1 %D, label %T, label %F
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B: ; preds = %T
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call void @f2( )
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ret i32 345
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F: ; preds = %A, %E
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call void @f3( )
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ret i32 123
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}
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define i32 @test2(i32 %X, i1 %D) {
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E:
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%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
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br i1 %C, label %T, label %F
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T: ; preds = %A, %E
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%P = phi i1 [ true, %E ], [ %C, %A ] ; <i1> [#uses=1]
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br i1 %P, label %B, label %A
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A: ; preds = %T
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call void @f1( )
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br i1 %D, label %T, label %F
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B: ; preds = %T
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call void @f2( )
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ret i32 345
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F: ; preds = %A, %E
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call void @f3( )
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ret i32 123
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}
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define i32 @test3(i32 %X, i1 %D, i32* %AP, i32* %BP) {
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E:
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%C = icmp eq i32 %X, 0 ; <i1> [#uses=2]
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br i1 %C, label %T, label %F
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T: ; preds = %A, %E
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call void @f3( )
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%XX = load i32, i32* %AP ; <i32> [#uses=1]
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store i32 %XX, i32* %BP
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br i1 %C, label %B, label %A
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A: ; preds = %T
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call void @f1( )
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br i1 %D, label %T, label %F
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B: ; preds = %T
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call void @f2( )
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ret i32 345
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F: ; preds = %A, %E
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call void @f3( )
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ret i32 123
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}
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