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9f359e4395
llvm-svn: 4535
45 lines
1.0 KiB
LLVM
45 lines
1.0 KiB
LLVM
; The %A getelementptr instruction should be eliminated here
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; RUN: if as < %s | opt -instcombine -die | dis | grep getelementptr | grep '%A'
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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%Global = constant [10 x sbyte] c"helloworld"
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implementation
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int *"foo1"(int * %I) { ; Test noop elimination
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%A = getelementptr int* %I, long 0
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ret int * %A
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}
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int* %foo2(int* %I) { ; Test noop elimination
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%A = getelementptr int* %I
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ret int* %A
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}
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int* %foo3(int * %I) { ; Test that two array indexing geps fold
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%A = getelementptr int* %I, long 17
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%B = getelementptr int* %A, long 4
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ret int* %B
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}
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int* %foo4({int} *%I) { ; Test that two getelementptr insts fold
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%A = getelementptr {int}* %I, long 1
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%B = getelementptr {int}* %A, long 0, ubyte 0
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ret int* %B
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}
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sbyte * %foo5() {
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; This should be turned into a constexpr instead of being an instruction
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%A = getelementptr [10 x sbyte]* %Global, long 0, long 4
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ret sbyte* %A
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}
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int* %foo6() {
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%M = malloc [4 x int]
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%A = getelementptr [4 x int]* %M, long 0, long 0
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%B = getelementptr int* %A, long 2
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ret int* %B
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}
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