Files
clang-p2996/llvm/test/CodeGen/AMDGPU/subreg-intervals.mir
Jay Foad db54627413 [MachineVerifier] Try harder to verify LiveIntervals
Verify the LiveIntervals analysis after a pass that claims to preserve
it, even if there are no further passes (apart from the verifier itself)
that would use the analysis.

Fixes https://github.com/llvm/llvm-project/issues/46217

Differential Revision: https://reviews.llvm.org/D129208
2023-05-24 17:32:13 +01:00

32 lines
603 B
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# RUN: llc -march=amdgcn -run-pass liveintervals -debug-only=regalloc -verify-machineinstrs -o /dev/null %s 2>&1 | FileCheck %s
# REQUIRES: asserts
# CHECK: INTERVALS
# CHECK: %0
# CHECK-LABEL: Machine code for function test1:
--- |
define amdgpu_kernel void @test1() { ret void }
...
---
name: test1
registers:
- { id: 0, class: sreg_64 }
body: |
bb.0:
S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc
S_BRANCH %bb.2
bb.1:
S_NOP 0, implicit-def undef %0.sub0
S_BRANCH %bb.3
bb.2:
S_NOP 0, implicit-def %0
S_BRANCH %bb.3
bb.3:
S_NOP 0
S_NOP 0, implicit %0
...