machine-outliner-thunk.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -enable-machine-outliner -verify-machineinstrs | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-pc-linux-gnu"
declare i32 @thunk_called_fn(i32, i32, i32, i32)
define i32 @a() {
; CHECK-LABEL: a:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: bl [[OUTLINED_DIRECT:OUTLINED_FUNCTION_[0-9]+]]
; CHECK-NEXT: add w0, w0, #8 // =8
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
%call = tail call i32 @thunk_called_fn(i32 1, i32 2, i32 3, i32 4)
%cx = add i32 %call, 8
ret i32 %cx
}
define i32 @b() {
; CHECK-LABEL: b:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: bl [[OUTLINED_DIRECT]]
; CHECK-NEXT: add w0, w0, #88 // =88
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
%call = tail call i32 @thunk_called_fn(i32 1, i32 2, i32 3, i32 4)
%cx = add i32 %call, 88
ret i32 %cx
}
define hidden i32 @c(i32 (i32, i32, i32, i32)* %fptr) {
; CHECK-LABEL: c:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: bl [[OUTLINED_INDIRECT:OUTLINED_FUNCTION_[0-9]+]]
; CHECK-NEXT: add w0, w0, #8 // =8
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
%call = tail call i32 %fptr(i32 1, i32 2, i32 3, i32 4)
%add = add nsw i32 %call, 8
ret i32 %add
}
define hidden i32 @d(i32 (i32, i32, i32, i32)* %fptr) {
; CHECK-LABEL: d:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: .cfi_offset w30, -16
; CHECK-NEXT: bl [[OUTLINED_INDIRECT]]
; CHECK-NEXT: add w0, w0, #88 // =88
; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
; CHECK-NEXT: ret
entry:
%call = tail call i32 %fptr(i32 1, i32 2, i32 3, i32 4)
%add = add nsw i32 %call, 88
ret i32 %add
}
; CHECK: [[OUTLINED_INDIRECT]]:
; CHECK-SAME: // @[[OUTLINED_INDIRECT]] Thunk
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, x0
; CHECK-NEXT: mov w0, #1
; CHECK-NEXT: mov w1, #2
; CHECK-NEXT: mov w2, #3
; CHECK-NEXT: mov w3, #4
; CHECK-NEXT: br x8
; CHECK: [[OUTLINED_DIRECT]]:
; CHECK-SAME: // @[[OUTLINED_DIRECT]] Thunk
; CHECK: // %bb.0:
; CHECK-NEXT: mov w0, #1
; CHECK-NEXT: mov w1, #2
; CHECK-NEXT: mov w2, #3
; CHECK-NEXT: mov w3, #4
; CHECK-NEXT: b thunk_called_fn