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llvm-mirror/test/CodeGen/MIR/X86/fixed-stack-objects.mir
Justin Lebar 975bf7a977 When printing MIR, output to errs() rather than outs().
Summary:
Without this, this command

  $ llvm-run llc -stop-after machine-cp -o - <( echo '' )

outputs an error, because we close stdout twice -- once when closing the
file opened for "-o", and again when closing outs().

Also clarify in the outs() definition that you can't ever call it if you
want to open your own raw_fd_ostream on stdout.

Reviewers: jroelofs, tstellarAMD

Subscribers: jholewinski, qcolombet, dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D17422

llvm-svn: 261286
2016-02-19 00:18:46 +00:00

34 lines
851 B
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# RUN: llc -march=x86 -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that the MIR parser parses fixed stack objects correctly.
--- |
define i32 @test(i32 %a) #0 {
entry:
%b = alloca i32
store i32 %a, i32* %b
%c = load i32, i32* %b
ret i32 %c
}
attributes #0 = { "no-frame-pointer-elim"="false" }
...
---
name: test
frameInfo:
stackSize: 4
maxAlignment: 4
# CHECK: fixedStack:
# CHECK-NEXT: - { id: 0, offset: 0, size: 4, alignment: 4, isImmutable: true, isAliased: false }
fixedStack:
- { id: 0, offset: 0, size: 4, alignment: 4, isImmutable: true, isAliased: false }
stack:
- { id: 0, offset: -8, size: 4, alignment: 4 }
body: |
bb.0.entry:
%eax = MOV32rm %esp, 1, _, 8, _
MOV32mr %esp, 1, _, 0, _, %eax
RETL %eax
...