104 lines
2.7 KiB
YAML
104 lines
2.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
|
|
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
|
|
--- |
|
|
|
|
define i32 @Unconditional_branch(i32 %a, i32 %b) {
|
|
entry:
|
|
br label %block
|
|
|
|
end: ; preds = %block
|
|
ret i32 %a
|
|
|
|
block: ; preds = %entry
|
|
br label %end
|
|
}
|
|
|
|
define i32 @Conditional_branch(i1 %cond, i32 %a, i32 %b) {
|
|
br i1 %cond, label %if.then, label %if.else
|
|
|
|
if.then: ; preds = %0
|
|
ret i32 %a
|
|
|
|
if.else: ; preds = %0
|
|
ret i32 %b
|
|
}
|
|
|
|
...
|
|
---
|
|
name: Unconditional_branch
|
|
alignment: 4
|
|
legalized: true
|
|
regBankSelected: true
|
|
tracksRegLiveness: true
|
|
body: |
|
|
; MIPS32-LABEL: name: Unconditional_branch
|
|
; MIPS32: bb.0.entry:
|
|
; MIPS32: successors: %bb.2(0x80000000)
|
|
; MIPS32: liveins: $a0, $a1
|
|
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
|
|
; MIPS32: J %bb.2, implicit-def $at
|
|
; MIPS32: bb.1.end:
|
|
; MIPS32: $v0 = COPY [[COPY]]
|
|
; MIPS32: RetRA implicit $v0
|
|
; MIPS32: bb.2.block:
|
|
; MIPS32: successors: %bb.1(0x80000000)
|
|
; MIPS32: J %bb.1, implicit-def $at
|
|
bb.1.entry:
|
|
liveins: $a0, $a1
|
|
|
|
%0:gprb(s32) = COPY $a0
|
|
G_BR %bb.3
|
|
|
|
bb.2.end:
|
|
$v0 = COPY %0(s32)
|
|
RetRA implicit $v0
|
|
|
|
bb.3.block:
|
|
G_BR %bb.2
|
|
|
|
...
|
|
---
|
|
name: Conditional_branch
|
|
alignment: 4
|
|
legalized: true
|
|
regBankSelected: true
|
|
tracksRegLiveness: true
|
|
body: |
|
|
; MIPS32-LABEL: name: Conditional_branch
|
|
; MIPS32: bb.0 (%ir-block.0):
|
|
; MIPS32: successors: %bb.1(0x40000000), %bb.2(0x40000000)
|
|
; MIPS32: liveins: $a0, $a1, $a2
|
|
; MIPS32: [[COPY:%[0-9]+]]:gpr32 = COPY $a0
|
|
; MIPS32: [[COPY1:%[0-9]+]]:gpr32 = COPY $a1
|
|
; MIPS32: [[COPY2:%[0-9]+]]:gpr32 = COPY $a2
|
|
; MIPS32: [[ANDi:%[0-9]+]]:gpr32 = ANDi [[COPY]], 1
|
|
; MIPS32: BNE [[ANDi]], $zero, %bb.1, implicit-def $at
|
|
; MIPS32: J %bb.2, implicit-def $at
|
|
; MIPS32: bb.1.if.then:
|
|
; MIPS32: $v0 = COPY [[COPY1]]
|
|
; MIPS32: RetRA implicit $v0
|
|
; MIPS32: bb.2.if.else:
|
|
; MIPS32: $v0 = COPY [[COPY2]]
|
|
; MIPS32: RetRA implicit $v0
|
|
bb.1 (%ir-block.0):
|
|
liveins: $a0, $a1, $a2
|
|
|
|
%3:gprb(s32) = COPY $a0
|
|
%1:gprb(s32) = COPY $a1
|
|
%2:gprb(s32) = COPY $a2
|
|
%5:gprb(s32) = G_CONSTANT i32 1
|
|
%6:gprb(s32) = COPY %3(s32)
|
|
%4:gprb(s32) = G_AND %6, %5
|
|
G_BRCOND %4(s32), %bb.2
|
|
G_BR %bb.3
|
|
|
|
bb.2.if.then:
|
|
$v0 = COPY %1(s32)
|
|
RetRA implicit $v0
|
|
|
|
bb.3.if.else:
|
|
$v0 = COPY %2(s32)
|
|
RetRA implicit $v0
|
|
|
|
...
|