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cmp16ri
2009 Sep 18
0
[LLVMdev] Problems with live-ins and live-outs
Hi,
With the MSP430 target I have live-in/live-out problems pointed out by
Machine Instruction Verifier with the attached test-case compiled with:
clang-cc -triple=msp430-unknown-unknown test-live.c -S -o - -O1
-verify-machineinstrs -debug
For example: %R15W is killed in MBB#0:
CMP16rr %R14W<kill>, %R15W<kill>, %SRW<imp-def>
But %R15 as live-in in MMB#1:
if.else: 0xa244c20, LLVM BB @0xa1f0a08, ID#1:
Live Ins: %R15W %R15B
Predecessors according to CFG: 0xa244bd4 (#0)
CMP16ir -21, %R15W, %SRW<imp-def>
Does someone have any idea of what can be the root...