diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/live-interval-analysis.mir | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/live-interval-analysis.mir b/llvm/test/CodeGen/AArch64/live-interval-analysis.mir new file mode 100644 index 00000000000..d4430097356 --- /dev/null +++ b/llvm/test/CodeGen/AArch64/live-interval-analysis.mir @@ -0,0 +1,22 @@ +# RUN: llc -o /dev/null %s -mtriple=aarch64-darwin-ios -run-pass=liveintervals -debug-only=regalloc -precompute-phys-liveness 2>&1 | FileCheck %s +# REQUIRES: asserts +--- | + define void @reserved_reg_liveness() { ret void } +... +--- +# CHECK-LABEL: ********** INTERVALS ********** +# W29 is reserved, so we should only see dead defs +# CHECK-DAG: W29 [0B,0d:{{[0-9]+}})[32r,32d:{{[0-9]+}})[64r,64d:{{[0-9]+}}) +# For normal registers like x28 we should see the full intervals +# CHECK-DAG: W28 [0B,16r:{{[0-9]+}})[32r,48r:{{[0-9]+}})[48r,48d:{{[0-9]+}}) +# CHECK: # End machine code for function reserved_reg_liveness. +name: reserved_reg_liveness +tracksRegLiveness: true +body: | + bb.0: + liveins: %x28_fp + %6 : xseqpairsclass = COPY %x28_fp + %x28_fp = COPY %6 + %x28 = COPY %x28 + %fp = COPY %fp +... |
