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67 lines
1.9 KiB
LLVM
67 lines
1.9 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; We used to generate a mul+mflo sequence instead of shifting by 2/3 to get the jump table address
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; RUN: llc %s -O2 -mtriple=mips64-unknown-freebsd -target-abi n64 -relocation-model=pic -o - | FileCheck %s
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define i64 @test(i64 %arg) {
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; CHECK-LABEL: test:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: lui $1, %hi(%neg(%gp_rel(test)))
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; CHECK-NEXT: daddu $2, $1, $25
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; CHECK-NEXT: sltiu $1, $4, 11
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; CHECK-NEXT: beqz $1, .LBB0_3
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; CHECK-NEXT: nop
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; CHECK-NEXT: .LBB0_1: # %entry
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; CHECK-NEXT: daddiu $1, $2, %lo(%neg(%gp_rel(test)))
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; CHECK-NEXT: dsll $2, $4, 3
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; Previously this dsll was the following sequence:
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; daddiu $2, $zero, 8
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; dmult $4, $2
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; mflo $2
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; CHECK-NEXT: ld $3, %got_page(.LJTI0_0)($1)
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; CHECK-NEXT: daddu $2, $2, $3
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; CHECK-NEXT: ld $2, %got_ofst(.LJTI0_0)($2)
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; CHECK-NEXT: daddu $1, $2, $1
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; CHECK-NEXT: jr $1
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; CHECK-NEXT: nop
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; CHECK-NEXT: .LBB0_2: # %sw.bb
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: daddiu $2, $zero, 1
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; CHECK-NEXT: .LBB0_3: # %default
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: daddiu $2, $zero, 1234
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; CHECK-NEXT: .LBB0_4: # %sw.bb1
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; CHECK-NEXT: jr $ra
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; CHECK-NEXT: daddiu $2, $zero, 0
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entry:
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switch i64 %arg, label %default [
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i64 0, label %sw.bb
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i64 3, label %sw.bb
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i64 5, label %sw.bb
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i64 10, label %sw.bb1
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]
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default:
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ret i64 1234
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sw.bb:
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ret i64 1
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sw.bb1:
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ret i64 0
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}
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; CHECK-LABEL: .section .rodata,"a",@progbits
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; CHECK-NEXT: .p2align 3
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; CHECK-LABEL: .LJTI0_0:
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; CHECK-NEXT: .gpdword .LBB0_2
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_2
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_2
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_3
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; CHECK-NEXT: .gpdword .LBB0_4
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