diff options
Diffstat (limited to 'llvm/test/CodeGen/Hexagon/post-ra-kill-update.mir')
| -rw-r--r-- | llvm/test/CodeGen/Hexagon/post-ra-kill-update.mir | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/post-ra-kill-update.mir b/llvm/test/CodeGen/Hexagon/post-ra-kill-update.mir new file mode 100644 index 00000000000..c43624d7a8d --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/post-ra-kill-update.mir @@ -0,0 +1,37 @@ +# RUN: llc -march=hexagon -mcpu=hexagonv60 -run-pass post-RA-sched -o - %s | FileCheck %s + +# The post-RA scheduler reorders S2_lsr_r_p and S2_lsr_r_p_or. Both of them +# use r9, and the last of the two kills it. The kill flag fixup did not +# correctly update the flag, resulting in both instructions killing r9. + +# CHECK-LABEL: name: foo +# Check for no-kill of r9 in the first instruction, after reordering: +# CHECK: %d7 = S2_lsr_r_p_or %d7, killed %d1, %r9 +# CHECK: %d13 = S2_lsr_r_p killed %d0, killed %r9 + +--- | + define void @foo() { + ret void + } +... + +--- +name: foo +tracksRegLiveness: true +body: | + bb.0: + successors: %bb.1 + liveins: %d0, %d1, %r9, %r13 + + %d7 = S2_asl_r_p %d0, %r13 + %d5 = S2_asl_r_p %d1, killed %r13 + %d6 = S2_lsr_r_p killed %d0, %r9 + %d7 = S2_lsr_r_p_or killed %d7, killed %d1, killed %r9 + %d1 = A2_combinew killed %r11, killed %r10 + %d0 = A2_combinew killed %r15, killed %r14 + J2_jump %bb.1, implicit-def %pc + + bb.1: + A2_nop +... + |
