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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32115 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
540 B
LLVM
17 lines
540 B
LLVM
; This testcase was distilled from 132.ijpeg. Bsaically we cannot fold the
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; load into the sub instruction here as it induces a cycle in the dag, which
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; is invalid code (there is no correct way to order the instruction). Check
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; that we do not fold the load into the sub.
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; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | not grep 'sub.*GLOBAL'
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%GLOBAL = external global int
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int %test(int* %P1, int* %P2, int* %P3) {
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%L = load int* %GLOBAL
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store int 12, int* %P2
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%Y = load int* %P3
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%Z = sub int %Y, %L
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ret int %Z
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}
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