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|
; RUN: llc %s -o - -mtriple x86_64-sie-ps5 -emit-jump-table-sizes-section -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=PS5-CHECK %s
; RUN: llc %s -o - -mtriple x86_64-sie-ps5 -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=NOFLAG %s
; RUN: llc %s -o - -mtriple x86_64-sie-ps5 -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=NOTABLE %s
; RUN: llc %s -o - -mtriple x86_64-unknown-linux-gnu -emit-jump-table-sizes-section -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=ELF-CHECK %s
; RUN: llc %s -o - -mtriple x86_64-unknown-linux-gnu -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=NOFLAG %s
; RUN: llc %s -o - -mtriple x86_64-unknown-linux-gnu -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=NOTABLE %s
; RUN: llc %s -o - -mtriple x86_64-pc-windows-msvc -emit-jump-table-sizes-section -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=COFF-CHECK %s
; RUN: llc %s -o - -mtriple x86_64-pc-windows-msvc -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=NOFLAG %s
; RUN: llc %s -o - -mtriple x86_64-pc-windows-msvc -verify-machineinstrs --relocation-model=pic | FileCheck --check-prefix=NOTABLE %s
; This test verifies the jump table size section. Currently only enabled by default on the PS5 target.
$foo1 = comdat any
; Ensure proper comdat handling.
define void @foo1(i32 %x, ptr %to) comdat {
; PS5-CHECK-LABEL: foo1
; PS5-CHECK: .section .llvm_jump_table_sizes,"G",@llvm_jt_sizes,foo1,comdat
; PS5-CHECK-NEXT: .quad .LJTI0_0
; PS5-CHECK-NEXT: .quad 6
; ELF-CHECK-LABEL: foo1
; ELF-CHECK: .section .llvm_jump_table_sizes,"G",@llvm_jt_sizes,foo1,comdat
; ELF-CHECK-NEXT: .quad .LJTI0_0
; ELF-CHECK-NEXT: .quad 6
; COFF-CHECK-LABEL: foo1
; COFF-CHECK: .section .llvm_jump_table_sizes,"drD",associative,foo1
; COFF-CHECK-NEXT: .quad .LJTI0_0
; COFF-CHECK-NEXT: .quad 6
; NOFLAG-LABEL: foo1
; NOFLAG-NOT: .section .llvm_jump_table_sizes
entry:
switch i32 %x, label %default [
i32 0, label %bb0
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
i32 5, label %bb4
]
bb0:
store i32 0, ptr %to
br label %exit
bb1:
store i32 1, ptr %to
br label %exit
bb2:
store i32 2, ptr %to
br label %exit
bb3:
store i32 3, ptr %to
br label %exit
bb4:
store i32 4, ptr %to
br label %exit
exit:
ret void
default:
unreachable
}
define void @foo2(i32 %x, ptr %to) {
; PS5-CHECK-LABEL: foo2
; PS5-CHECK: .section .llvm_jump_table_sizes,"",@llvm_jt_sizes
; PS5-CHECK-NEXT: .quad .LJTI1_0
; PS5-CHECK-NEXT: .quad 5
; ELF-CHECK-LABEL: foo2
; ELF-CHECK: .section .llvm_jump_table_sizes,"",@llvm_jt_sizes
; ELF-CHECK-NEXT: .quad .LJTI1_0
; ELF-CHECK-NEXT: .quad 5
; COFF-CHECK-LABEL: foo2
; COFF-CHECK: .section .llvm_jump_table_sizes,"drD"
; COFF-CHECK-NEXT: .quad .LJTI1_0
; COFF-CHECK-NEXT: .quad 5
; NOFLAG-LABEL: foo1
; NOFLAG-NOT: .section .llvm_jump_table_sizes
entry:
switch i32 %x, label %default [
i32 0, label %bb0
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
]
bb0:
store i32 0, ptr %to
br label %exit
bb1:
store i32 1, ptr %to
br label %exit
bb2:
store i32 2, ptr %to
br label %exit
bb3:
store i32 3, ptr %to
br label %exit
bb4:
store i32 4, ptr %to
br label %exit
exit:
ret void
default:
unreachable
}
; Ensure that the section isn't produced if there is no jump table.
define void @foo3(i32 %x, ptr %to) {
; NOTABLE-LABEL: foo3
; NOTABLE-NOT: .section .llvm_jump_table_sizes
exit:
ret void
}
; Ensure we can deal with nested jump tables.
define void @nested(i32 %x, i32 %y, ptr %to) {
; PS5-CHECK-LABEL: nested
; PS5-CHECK: .section .llvm_jump_table_sizes,"",@llvm_jt_sizes
; PS5-CHECK-NEXT: .quad .LJTI3_0
; PS5-CHECK-NEXT: .quad 5
; PS5-CHECK-NEXT: .quad .LJTI3_1
; PS5-CHECK-NEXT: .quad 6
; ELF-CHECK-LABEL: nested
; ELF-CHECK: .section .llvm_jump_table_sizes,"",@llvm_jt_sizes
; ELF-CHECK-NEXT: .quad .LJTI3_0
; ELF-CHECK-NEXT: .quad 5
; ELF-CHECK-NEXT: .quad .LJTI3_1
; ELF-CHECK-NEXT: .quad 6
; COFF-CHECK-LABEL: nested
; COFF-CHECK: .section .llvm_jump_table_sizes,"drD"
; COFF-CHECK-NEXT: .quad .LJTI3_0
; COFF-CHECK-NEXT: .quad 5
; COFF-CHECK-NEXT: .quad .LJTI3_1
; COFF-CHECK-NEXT: .quad 6
; NOFLAG-LABEL: nested
; NOFLAG-NOT: .section .llvm_jump_table_sizes
entry:
switch i32 %x, label %default [
i32 0, label %bb0
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
]
bb0:
store i32 0, ptr %to
br label %exit
bb1:
store i32 1, ptr %to
br label %exit
bb2:
store i32 2, ptr %to
br label %exit
bb3:
store i32 3, ptr %to
br label %exit
bb4:
switch i32 %y, label %default [
i32 1, label %bb5
i32 2, label %bb6
i32 3, label %bb7
i32 4, label %bb8
i32 5, label %bb9
i32 6, label %bb10
]
br label %exit2
bb5:
store i32 4, ptr %to
br label %exit
bb6:
store i32 4, ptr %to
br label %exit
bb7:
store i32 4, ptr %to
br label %exit
bb8:
store i32 4, ptr %to
br label %exit
bb9:
store i32 4, ptr %to
br label %exit
bb10:
store i32 4, ptr %to
br label %exit
exit:
ret void
exit2:
ret void
default:
unreachable
}
|
