| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; We used to generate a mul+mflo sequence instead of shifting by 2/3 to get the jump table address |
| ; RUN: llc %s -O2 -mtriple=mips64-unknown-freebsd -target-abi n64 -relocation-model=pic -o - | FileCheck %s |
| |
| define i64 @test(i64 %arg) { |
| ; CHECK-LABEL: test: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: lui $1, %hi(%neg(%gp_rel(test))) |
| ; CHECK-NEXT: daddu $2, $1, $25 |
| ; CHECK-NEXT: sltiu $1, $4, 11 |
| ; CHECK-NEXT: beqz $1, .LBB0_4 |
| ; CHECK-NEXT: nop |
| ; CHECK-NEXT: # %bb.1: # %entry |
| ; CHECK-NEXT: daddiu $1, $2, %lo(%neg(%gp_rel(test))) |
| ; CHECK-NEXT: dsll $2, $4, 3 |
| ; CHECK-NEXT: ld $3, %got_page(.LJTI0_0)($1) |
| ; CHECK-NEXT: daddu $2, $2, $3 |
| ; CHECK-NEXT: ld $2, %got_ofst(.LJTI0_0)($2) |
| ; CHECK-NEXT: daddu $1, $2, $1 |
| ; CHECK-NEXT: jr $1 |
| ; CHECK-NEXT: nop |
| ; CHECK-NEXT: .LBB0_2: # %sw.bb |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: daddiu $2, $zero, 1 |
| ; CHECK-NEXT: .LBB0_3: # %sw.bb1 |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: daddiu $2, $zero, 0 |
| ; CHECK-NEXT: .LBB0_4: # %default |
| ; CHECK-NEXT: jr $ra |
| ; CHECK-NEXT: daddiu $2, $zero, 1234 |
| ; Previously this dsll was the following sequence: |
| ; daddiu $2, $zero, 8 |
| ; dmult $4, $2 |
| ; mflo $2 |
| entry: |
| switch i64 %arg, label %default [ |
| i64 0, label %sw.bb |
| i64 3, label %sw.bb |
| i64 5, label %sw.bb |
| i64 10, label %sw.bb1 |
| ] |
| |
| default: |
| ret i64 1234 |
| |
| sw.bb: |
| ret i64 1 |
| |
| sw.bb1: |
| ret i64 0 |
| } |
| |
| ; CHECK-LABEL: .section .rodata,"a",@progbits |
| ; CHECK-NEXT: .p2align 3 |
| ; CHECK-LABEL: .LJTI0_0: |
| ; CHECK-NEXT: .gpdword .LBB0_2 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_2 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_2 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_4 |
| ; CHECK-NEXT: .gpdword .LBB0_3 |