1 files changed, 162 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/late-taildup-computed-goto.ll b/llvm/test/CodeGen/AArch64/late-taildup-computed-goto.ll
new file mode 100644
index 0000000..c4a027c
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/late-taildup-computed-goto.ll
@@ -0,0 +1,162 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -tail-dup-pred-size=2 -tail-dup-succ-size=2 -o - %s | FileCheck %s
+
+target triple = "arm64-apple-macosx13.0.0"
+
+@opcode.targets = local_unnamed_addr constant [6 x ptr] [ptr blockaddress(@test_interp, %op1.bb), ptr blockaddress(@test_interp, %op6.bb), ptr blockaddress(@test_interp, %loop.header), ptr blockaddress(@test_interp, %op2.bb), ptr blockaddress(@test_interp, %op4.bb), ptr blockaddress(@test_interp, %op5.bb)]
+
+define void @test_interp(ptr %frame, ptr %dst) {
+; CHECK-LABEL: test_interp:
+; CHECK:       ; %bb.0: ; %entry
+; CHECK-NEXT:    stp x24, x23, [sp, #-64]! ; 16-byte Folded Spill
+; CHECK-NEXT:    stp x22, x21, [sp, #16] ; 16-byte Folded Spill
+; CHECK-NEXT:    stp x20, x19, [sp, #32] ; 16-byte Folded Spill
+; CHECK-NEXT:    stp x29, x30, [sp, #48] ; 16-byte Folded Spill
+; CHECK-NEXT:    .cfi_def_cfa_offset 64
+; CHECK-NEXT:    .cfi_offset w30, -8
+; CHECK-NEXT:    .cfi_offset w29, -16
+; CHECK-NEXT:    .cfi_offset w19, -24
+; CHECK-NEXT:    .cfi_offset w20, -32
+; CHECK-NEXT:    .cfi_offset w21, -40
+; CHECK-NEXT:    .cfi_offset w22, -48
+; CHECK-NEXT:    .cfi_offset w23, -56
+; CHECK-NEXT:    .cfi_offset w24, -64
+; CHECK-NEXT:  Lloh0:
+; CHECK-NEXT:    adrp x21, _opcode.targets@PAGE
+; CHECK-NEXT:  Lloh1:
+; CHECK-NEXT:    add x21, x21, _opcode.targets@PAGEOFF
+; CHECK-NEXT:    mov x22, xzr
+; CHECK-NEXT:    add x8, x21, xzr, lsl #3
+; CHECK-NEXT:    mov x19, x1
+; CHECK-NEXT:    mov x20, x0
+; CHECK-NEXT:    add x23, x22, #1
+; CHECK-NEXT:    br x8
+; CHECK-NEXT:  Ltmp0: ; Block address taken
+; CHECK-NEXT:  LBB0_1: ; %loop.header
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    add x8, x21, x23, lsl #3
+; CHECK-NEXT:    mov x20, xzr
+; CHECK-NEXT:    mov x22, xzr
+; CHECK-NEXT:    add x23, x23, #1
+; CHECK-NEXT:    br x8
+; CHECK-NEXT:  Ltmp1: ; Block address taken
+; CHECK-NEXT:  LBB0_2: ; %op1.bb
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    str xzr, [x19]
+; CHECK-NEXT:    mov w8, #1 ; =0x1
+; CHECK-NEXT:    ldr x0, [x20, #-8]!
+; CHECK-NEXT:    ldr x9, [x0, #8]
+; CHECK-NEXT:    str x8, [x0]
+; CHECK-NEXT:    ldr x8, [x9, #48]
+; CHECK-NEXT:    blr x8
+; CHECK-NEXT:    add x8, x21, x23, lsl #3
+; CHECK-NEXT:    add x23, x23, #1
+; CHECK-NEXT:    br x8
+; CHECK-NEXT:  Ltmp2: ; Block address taken
+; CHECK-NEXT:  LBB0_3: ; %op2.bb
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    add x8, x21, x23, lsl #3
+; CHECK-NEXT:    mov x20, xzr
+; CHECK-NEXT:    add x23, x23, #1
+; CHECK-NEXT:    str x22, [x19]
+; CHECK-NEXT:    mov x22, xzr
+; CHECK-NEXT:    br x8
+; CHECK-NEXT:  Ltmp3: ; Block address taken
+; CHECK-NEXT:  LBB0_4: ; %op4.bb
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    str x22, [x19]
+; CHECK-NEXT:    add x10, x21, x23, lsl #3
+; CHECK-NEXT:    add x23, x23, #1
+; CHECK-NEXT:    ldur x8, [x22, #12]
+; CHECK-NEXT:    ldur x9, [x20, #-8]
+; CHECK-NEXT:    add x22, x22, #20
+; CHECK-NEXT:    stp x8, x9, [x20, #-8]
+; CHECK-NEXT:    add x20, x20, #8
+; CHECK-NEXT:    br x10
+; CHECK-NEXT:  Ltmp4: ; Block address taken
+; CHECK-NEXT:  LBB0_5: ; %op5.bb
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    str x22, [x19]
+; CHECK-NEXT:    add x10, x21, x23, lsl #3
+; CHECK-NEXT:    add x23, x23, #1
+; CHECK-NEXT:    ldur x8, [x22, #12]
+; CHECK-NEXT:    ldur x9, [x20, #-8]
+; CHECK-NEXT:    add x22, x22, #20
+; CHECK-NEXT:    stp x8, x9, [x20, #-8]
+; CHECK-NEXT:    add x20, x20, #8
+; CHECK-NEXT:    br x10
+; CHECK-NEXT:  Ltmp5: ; Block address taken
+; CHECK-NEXT:  LBB0_6: ; %op6.bb
+; CHECK-NEXT:    ; =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    ldr x0, [x20, #-8]!
+; CHECK-NEXT:    mov w8, #1 ; =0x1
+; CHECK-NEXT:    ldr x9, [x0, #8]
+; CHECK-NEXT:    str x8, [x0]
+; CHECK-NEXT:    ldr x8, [x9, #48]
+; CHECK-NEXT:    blr x8
+; CHECK-NEXT:    add x8, x21, x23, lsl #3
+; CHECK-NEXT:    add x23, x23, #1
+; CHECK-NEXT:    br x8
+; CHECK-NEXT:    .loh AdrpAdd Lloh0, Lloh1
+entry:
+  br label %loop.header
+
+loop.header:
+  %iv = phi i64 [ 0, %entry ], [ %iv.next, %op1.bb ], [ %iv.next, %op2.bb ], [ %iv.next, %op4.bb ], [ %iv.next, %op5.bb ], [ %iv.next, %op6.bb ], [ %iv.next, %loop.header ]
+  %stack.pointer = phi ptr [ %frame, %entry ], [ %stack.8, %op1.bb ], [ null, %op2.bb ], [ %stack.next, %op4.bb ], [ %stack.next.2, %op5.bb ], [ %stack.4, %op6.bb ], [ null, %loop.header ]
+  %next.instr = phi ptr [ null, %entry ], [ %next.instr, %op1.bb ], [ null, %op2.bb ], [ %next.instr.20, %op4.bb ], [ %next.instr.21, %op5.bb ], [ %next.instr, %op6.bb ], [ null, %loop.header ]
+  %iv.next = add i64 %iv, 1
+  %next_op = getelementptr [6 x ptr], ptr @opcode.targets, i64 0, i64 %iv
+  indirectbr ptr %next_op, [label %op1.bb, label %op6.bb, label %loop.header, label %op2.bb, label %op4.bb, label %op5.bb]
+
+op1.bb:
+  store ptr null, ptr %dst, align 8
+  %stack.8 = getelementptr i8, ptr %stack.pointer, i64 -8
+  %l.0 = load ptr, ptr %stack.8, align 8
+  store i64 1, ptr %l.0, align 8
+  %gep.0 = getelementptr i8, ptr %l.0, i64 8
+  %l.1 = load ptr, ptr %gep.0, align 8
+  %gep.1 = getelementptr i8, ptr %l.1, i64 48
+  %l.2 = load ptr, ptr %gep.1, align 8
+  tail call void %l.2(ptr nonnull %l.0)
+  br label %loop.header
+
+op2.bb:
+  store ptr %next.instr, ptr %dst, align 8
+  br label %loop.header
+
+op4.bb:
+  store ptr %next.instr, ptr %dst, align 8
+  %next.instr.20 = getelementptr i8, ptr %next.instr, i64 20
+  %stack.2 = getelementptr i8, ptr %stack.pointer, i64 -8
+  %l.3 = load ptr, ptr %stack.2, align 8
+  %next.instr.12 = getelementptr i8, ptr %next.instr, i64 12
+  %next.instr.12.val = load ptr, ptr %next.instr.12, align 2
+  store ptr %next.instr.12.val, ptr %stack.2, align 8
+  store ptr %l.3, ptr %stack.pointer, align 8
+  %stack.next = getelementptr i8, ptr %stack.pointer, i64 8
+  br label %loop.header
+
+op5.bb:
+  store ptr %next.instr, ptr %dst, align 8
+  %next.instr.21 = getelementptr i8, ptr %next.instr, i64 20
+  %stack.3 = getelementptr i8, ptr %stack.pointer, i64 -8
+  %l.4 = load ptr, ptr %stack.3, align 8
+  %next.instr.2 = getelementptr i8, ptr %next.instr, i64 12
+  %next.instr.2.val = load ptr, ptr %next.instr.2, align 2
+  store ptr %next.instr.2.val, ptr %stack.3, align 8
+  store ptr %l.4, ptr %stack.pointer, align 8
+  %stack.next.2 = getelementptr i8, ptr %stack.pointer, i64 8
+  br label %loop.header
+
+op6.bb:
+  %stack.4 = getelementptr i8, ptr %stack.pointer, i64 -8
+  %l.5 = load ptr, ptr %stack.4, align 8
+  store i64 1, ptr %l.5, align 8
+  %gep.5 = getelementptr i8, ptr %l.5, i64 8
+  %l.6 = load ptr, ptr %gep.5, align 8
+  %gep.6 = getelementptr i8, ptr %l.6, i64 48
+  %l.7 = load ptr, ptr %gep.6, align 8
+  tail call void %l.7(ptr nonnull %l.5)
+  br label %loop.header
+}