[clang] [llvm] [LoongArch] Add options for annotate tablejump (PR #102411)
via cfe-commits
cfe-commits at lists.llvm.org
Fri Oct 11 23:45:51 PDT 2024
heiher wrote:
```llvm
define void @switch_4_arms(i32 %in, ptr %out) nounwind {
entry:
switch i32 %in, label %exit [
i32 1, label %bb1
i32 2, label %bb2
i32 3, label %bb3
i32 4, label %bb4
]
bb1:
store i32 4, ptr %out
br label %exit
bb2:
store i32 3, ptr %out
br label %exit
bb3:
store i32 2, ptr %out
br label %exit
bb4:
store i32 1, ptr %out
br label %exit
exit:
switch i32 %in, label %exit2 [
i32 5, label %bb1
i32 6, label %bb2
i32 7, label %bb3
i32 8, label %bb4
]
exit2:
ret void
}
```
```asm
.section .discard.tablejump_annotate,"", at progbits
.dword .Ljrtb_0
.dword .LJTI0_0
.dword .Ljrtb_1
.dword .LJTI0_0
.dword .Ljrtb_0
.dword .LJTI0_1
.dword .Ljrtb_1
.dword .LJTI0_1
```
Is this expected?
https://github.com/llvm/llvm-project/pull/102411
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