llvm-6502/test/CodeGen/MIR/X86/unknown-machine-basic-block.mir
Alex Lorenz d0ef9f3115 MIR Parser: Verify the implicit machine register operands.
This commit verifies that the parsed machine instructions contain the implicit
register operands as specified by the MCInstrDesc. Variadic and call
instructions aren't verified.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10781


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241537 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-07 02:08:46 +00:00

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# RUN: not llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that an error is reported when an invalid machine basic
# block index is used.
--- |
define i32 @foo(i32* %p) {
entry:
%a = load i32, i32* %p
%b = icmp sle i32 %a, 10
br i1 %b, label %0, label %1
; <label>:0
ret i32 0
; <label>:1
ret i32 %a
}
...
---
name: foo
body:
- id: 0
name: entry
instructions:
- '%eax = MOV32rm %rdi, 1, _, 0, _'
- 'CMP32ri8 %eax, 10, implicit-def %eflags'
# CHECK: [[@LINE+1]]:14: use of undefined machine basic block #4
- 'JG_1 %bb.4, implicit %eflags'
- id: 1
instructions:
- '%eax = MOV32r0 implicit-def %eflags'
- id: 2
instructions:
- 'RETQ %eax'
...