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50 lines
1.1 KiB
LLVM
50 lines
1.1 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
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; RUN: llc -code-model=large -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck --check-prefix=CHECK-LARGE %s
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define i32 @test_jumptable(i32 %in) {
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; CHECK: test_jumptable
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switch i32 %in, label %def [
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i32 0, label %lbl1
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i32 1, label %lbl2
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i32 2, label %lbl3
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i32 4, label %lbl4
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]
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; CHECK: adrp [[JTPAGE:x[0-9]+]], .LJTI0_0
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; CHECK: add x[[JT:[0-9]+]], [[JTPAGE]], #:lo12:.LJTI0_0
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; CHECK: ldr [[DEST:x[0-9]+]], [x[[JT]], {{x[0-9]+}}, lsl #3]
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; CHECK: br [[DEST]]
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; CHECK-LARGE: movz x[[JTADDR:[0-9]+]], #:abs_g3:.LJTI0_0
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; CHECK-LARGE: movk x[[JTADDR]], #:abs_g2_nc:.LJTI0_0
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; CHECK-LARGE: movk x[[JTADDR]], #:abs_g1_nc:.LJTI0_0
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; CHECK-LARGE: movk x[[JTADDR]], #:abs_g0_nc:.LJTI0_0
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; CHECK-LARGE: ldr [[DEST:x[0-9]+]], [x[[JTADDR]], {{x[0-9]+}}, lsl #3]
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; CHECK-LARGE: br [[DEST]]
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def:
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ret i32 0
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lbl1:
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ret i32 1
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lbl2:
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ret i32 2
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lbl3:
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ret i32 4
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lbl4:
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ret i32 8
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}
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; CHECK: .rodata
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; CHECK: .LJTI0_0:
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; CHECK-NEXT: .xword
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; CHECK-NEXT: .xword
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; CHECK-NEXT: .xword
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; CHECK-NEXT: .xword
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; CHECK-NEXT: .xword
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