test/Transforms/MinSFI/sandbox-memory-accesses-unhandled-instruction.ll - Issue 939073008: Rebased PNaCl localmods in LLVM to 223109

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Side by Side Diff: test/Transforms/MinSFI/sandbox-memory-accesses-unhandled-instruction.ll

Issue 939073008: Rebased PNaCl localmods in LLVM to 223109 (Closed)

Patch Set: undo localmod Created 5 years, 10 months ago

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	1 ; RUN: not opt %s -minsfi-sandbox-memory-accesses -S 2>&1 \| FileCheck %s

	2

	3 ; The SandboxMemoryAccess pass should fail if it encounters an unexpected

	4 ; instruction such as this 'atomicrmw'. This mechanism protects MinSFI

	5 ; from unsafe operations which it does not handle appearing in the bitcode.

	6 ; This could be a result of a bug in the compiler or a newly introduced

	7 ; LLVM instruction.

	8

	9 define i32 @test_unhandled_instr(i32* %ptr) {

	10 %old = atomicrmw add i32* %ptr, i32 1 acquire

	11 ret i32 %old

	12 }

	13

	14 ; CHECK: LLVM ERROR: SandboxMemoryAccesses: unexpected instruction with pointer- type operands

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