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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=riscv64 -run-pass=instruction-select %s -o - \
# RUN: -relocation-model=pic | FileCheck %s
--- |
define i32 @jt_test(i32 signext %in) {
entry:
%0 = sext i32 %in to i64
switch i64 %0, label %default [
i64 1, label %bb1
i64 2, label %bb2
i64 3, label %bb3
i64 4, label %bb4
i64 5, label %bb5
i64 6, label %bb6
]
bb1: ; preds = %entry
ret i32 4
bb2: ; preds = %entry
ret i32 3
bb3: ; preds = %entry
ret i32 2
bb4: ; preds = %entry
ret i32 1
bb5: ; preds = %entry
ret i32 100
bb6: ; preds = %entry
ret i32 200
default: ; preds = %entry
ret i32 1000
}
...
---
name: jt_test
legalized: true
regBankSelected: true
tracksRegLiveness: true
jumpTable:
kind: label-difference32
entries:
- id: 0
blocks: [ '%bb.2', '%bb.3', '%bb.4', '%bb.5', '%bb.6', '%bb.7' ]
body: |
; CHECK-LABEL: name: jt_test
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.8(0x40000000), %bb.1(0x40000000)
; CHECK-NEXT: liveins: $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x10
; CHECK-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI $x0, 5
; CHECK-NEXT: [[ADDIW:%[0-9]+]]:gpr = ADDIW [[COPY]], 0
; CHECK-NEXT: [[ADDI1:%[0-9]+]]:gpr = ADDI [[ADDIW]], -1
; CHECK-NEXT: BLTU [[ADDI]], [[ADDI1]], %bb.8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1.entry:
; CHECK-NEXT: successors: %bb.2(0x15555555), %bb.3(0x15555555), %bb.4(0x15555555), %bb.5(0x15555555), %bb.6(0x15555555), %bb.7(0x15555555)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[PseudoLLA:%[0-9]+]]:gpr = PseudoLLA %jump-table.0
; CHECK-NEXT: [[SLLI:%[0-9]+]]:gpr = SLLI [[ADDI1]], 2
; CHECK-NEXT: [[ADD:%[0-9]+]]:gpr = ADD [[PseudoLLA]], [[SLLI]]
; CHECK-NEXT: [[LW:%[0-9]+]]:gpr = LW [[ADD]], 0 :: (load (s32) from jump-table)
; CHECK-NEXT: [[ADD1:%[0-9]+]]:gprjalr = ADD [[LW]], [[PseudoLLA]]
; CHECK-NEXT: PseudoBRIND [[ADD1]], 0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.bb1:
; CHECK-NEXT: [[ADDI2:%[0-9]+]]:gpr = ADDI $x0, 4
; CHECK-NEXT: $x10 = COPY [[ADDI2]]
; CHECK-NEXT: PseudoRET implicit $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3.bb2:
; CHECK-NEXT: [[ADDI3:%[0-9]+]]:gpr = ADDI $x0, 3
; CHECK-NEXT: $x10 = COPY [[ADDI3]]
; CHECK-NEXT: PseudoRET implicit $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4.bb3:
; CHECK-NEXT: [[ADDI4:%[0-9]+]]:gpr = ADDI $x0, 2
; CHECK-NEXT: $x10 = COPY [[ADDI4]]
; CHECK-NEXT: PseudoRET implicit $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5.bb4:
; CHECK-NEXT: [[ADDI5:%[0-9]+]]:gpr = ADDI $x0, 1
; CHECK-NEXT: $x10 = COPY [[ADDI5]]
; CHECK-NEXT: PseudoRET implicit $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.6.bb5:
; CHECK-NEXT: [[ADDI6:%[0-9]+]]:gpr = ADDI $x0, 100
; CHECK-NEXT: $x10 = COPY [[ADDI6]]
; CHECK-NEXT: PseudoRET implicit $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.7.bb6:
; CHECK-NEXT: [[ADDI7:%[0-9]+]]:gpr = ADDI $x0, 200
; CHECK-NEXT: $x10 = COPY [[ADDI7]]
; CHECK-NEXT: PseudoRET implicit $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.8.default:
; CHECK-NEXT: [[ADDI8:%[0-9]+]]:gpr = ADDI $x0, 1000
; CHECK-NEXT: $x10 = COPY [[ADDI8]]
; CHECK-NEXT: PseudoRET implicit $x10
bb.1.entry:
successors: %bb.8, %bb.9
liveins: $x10
%1:gprb(s64) = COPY $x10
%2:gprb(s64) = G_ASSERT_SEXT %1, 32
%7:gprb(s64) = G_CONSTANT i64 5
%3:gprb(s64) = G_SEXT_INREG %2, 32
%4:gprb(s64) = G_CONSTANT i64 1
%5:gprb(s64) = G_SUB %3, %4
%26:gprb(s64) = G_ICMP intpred(ugt), %5(s64), %7
G_BRCOND %26(s64), %bb.8
bb.9.entry:
successors: %bb.2, %bb.3, %bb.4, %bb.5, %bb.6, %bb.7
%10:gprb(p0) = G_JUMP_TABLE %jump-table.0
G_BRJT %10(p0), %jump-table.0, %5(s64)
bb.2.bb1:
%22:gprb(s64) = G_CONSTANT i64 4
$x10 = COPY %22(s64)
PseudoRET implicit $x10
bb.3.bb2:
%20:gprb(s64) = G_CONSTANT i64 3
$x10 = COPY %20(s64)
PseudoRET implicit $x10
bb.4.bb3:
%18:gprb(s64) = G_CONSTANT i64 2
$x10 = COPY %18(s64)
PseudoRET implicit $x10
bb.5.bb4:
%16:gprb(s64) = G_CONSTANT i64 1
$x10 = COPY %16(s64)
PseudoRET implicit $x10
bb.6.bb5:
%14:gprb(s64) = G_CONSTANT i64 100
$x10 = COPY %14(s64)
PseudoRET implicit $x10
bb.7.bb6:
%12:gprb(s64) = G_CONSTANT i64 200
$x10 = COPY %12(s64)
PseudoRET implicit $x10
bb.8.default:
%24:gprb(s64) = G_CONSTANT i64 1000
$x10 = COPY %24(s64)
PseudoRET implicit $x10
...
|
