261cbe98c3
Don't outline machine instructions which are using jump table indexes since they are materialized as local labels (like the already handled case of constant pools). Reviewed By: paquette Differential Revision: https://reviews.llvm.org/D109436
66 lines
1.9 KiB
YAML
66 lines
1.9 KiB
YAML
# RUN: llc -march=riscv32 -x mir -run-pass=machine-outliner -simplify-mir -verify-machineinstrs < %s \
|
|
# RUN: | FileCheck -check-prefix=RV32I-MO %s
|
|
# RUN: llc -march=riscv64 -x mir -run-pass=machine-outliner -simplify-mir -verify-machineinstrs < %s \
|
|
# RUN: | FileCheck -check-prefix=RV64I-MO %s
|
|
|
|
--- |
|
|
; Cannot outline instructions with jump-table index operands
|
|
define i32 @foo(i32 %a, i32 %b) #0 { ret i32 0 }
|
|
|
|
...
|
|
---
|
|
name: foo
|
|
tracksRegLiveness: true
|
|
jumpTable:
|
|
kind: block-address
|
|
entries:
|
|
- id: 0
|
|
blocks: [ '%bb.0', '%bb.1', '%bb.2', '%bb.3' ]
|
|
body: |
|
|
bb.0:
|
|
liveins: $x10, $x11
|
|
; RV32I-MO-LABEL: name: foo
|
|
; RV32I-MO: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
|
|
; RV32I-MO: $x12 = LUI target-flags(riscv-hi) %jump-table.0
|
|
; RV32I-MO: $x12 = ADDI $x12, target-flags(riscv-lo) %jump-table.0
|
|
;
|
|
; RV64I-MO-LABEL: name: foo
|
|
; RV64I-MO: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
|
|
; RV64I-MO: $x12 = LUI target-flags(riscv-hi) %jump-table.0
|
|
; RV64I-MO: $x12 = ADDI $x12, target-flags(riscv-lo) %jump-table.0
|
|
|
|
$x11 = ORI $x11, 1023
|
|
$x12 = ADDI $x10, 17
|
|
$x11 = AND $x12, $x11
|
|
$x10 = SUB $x10, $x11
|
|
$x12 = LUI target-flags(riscv-hi) %jump-table.0
|
|
$x12 = ADDI $x12, target-flags(riscv-lo) %jump-table.0
|
|
PseudoBR %bb.3
|
|
|
|
bb.1:
|
|
liveins: $x10, $x11
|
|
|
|
$x11 = ORI $x11, 1023
|
|
$x12 = ADDI $x10, 17
|
|
$x11 = AND $x12, $x11
|
|
$x10 = SUB $x10, $x11
|
|
$x12 = LUI target-flags(riscv-hi) %jump-table.0
|
|
$x12 = ADDI $x12, target-flags(riscv-lo) %jump-table.0
|
|
PseudoBR %bb.3
|
|
|
|
bb.2:
|
|
liveins: $x10, $x11
|
|
|
|
$x11 = ORI $x11, 1023
|
|
$x12 = ADDI $x10, 17
|
|
$x11 = AND $x12, $x11
|
|
$x10 = SUB $x10, $x11
|
|
$x12 = LUI target-flags(riscv-hi) %jump-table.0
|
|
$x12 = ADDI $x12, target-flags(riscv-lo) %jump-table.0
|
|
PseudoBR %bb.3
|
|
|
|
bb.3:
|
|
PseudoRET
|
|
|
|
...
|