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|
; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple aarch64 %s -o - | \
; RUN: FileCheck %s --check-prefixes CHECK,V8A
; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple aarch64 -mattr=+v8.3a %s -o - | \
; RUN: FileCheck %s --check-prefixes CHECK,V83A
;; Function a's outlining candidate contains a sp modifying add without a
;; corresponsing sub, so we shouldn't outline it.
define void @a() "sign-return-address"="all" "sign-return-address-key"="b_key" {
; CHECK-LABEL: a: // @a
; CHECK: // %bb.0:
; CHECK-NEXT: .cfi_b_key_frame
; V8A-NEXT: hint #27
; V83A-NEXT: pacibsp
; CHECK-NEXT: .cfi_negate_ra_state
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, ptr %1, align 4
store i32 2, ptr %2, align 4
store i32 3, ptr %3, align 4
store i32 4, ptr %4, align 4
store i32 5, ptr %5, align 4
store i32 6, ptr %6, align 4
; CHECK-NOT: bl OUTLINED_FUNCTION_{{[0-9]+}}
; V8A: hint #31
; V8A-NEXT: ret
; V83A: retab
ret void
}
define void @b() "sign-return-address"="all" "sign-return-address-key"="b_key" nounwind {
; CHECK-LABEL: b: // @b
; CHECK-NEXT: // %bb.0:
; V8A-NEXT: hint #27
; V83A-NEXT: pacibsp
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, ptr %1, align 4
store i32 2, ptr %2, align 4
store i32 3, ptr %3, align 4
store i32 4, ptr %4, align 4
store i32 5, ptr %5, align 4
store i32 6, ptr %6, align 4
; CHECK: bl [[OUTLINED_FUNC:OUTLINED_FUNCTION_[0-9]+]]
; V8A: hint #31
; V8A-NEXT: ret
; V83A: retab
ret void
}
define void @c() "sign-return-address"="all" "sign-return-address-key"="b_key" nounwind {
; CHECK-LABEL: c: // @c
; CHECK-NEXT: // %bb.0:
; V8A-NEXT: hint #27
; V83A-NEXT: pacibsp
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
%6 = alloca i32, align 4
store i32 1, ptr %1, align 4
store i32 2, ptr %2, align 4
store i32 3, ptr %3, align 4
store i32 4, ptr %4, align 4
store i32 5, ptr %5, align 4
store i32 6, ptr %6, align 4
; CHECK: bl [[OUTLINED_FUNC]]
; V8A: hint #31
; V8A-NEXT: ret
; V83A: retab
ret void
}
; CHECK: [[OUTLINED_FUNC]]
; CHECK: // %bb.0:
; V8A-NEXT: hint #27
; V83A-NEXT: pacibsp
; V8A: hint #31
; V8A-NEXT: ret
; V83A: retab
|
