80 lines
2.8 KiB
LLVM
80 lines
2.8 KiB
LLVM
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; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple \
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; RUN: aarch64-arm-none-eabi %s -o - | FileCheck %s --check-prefixes CHECK,V8A
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; RUN-V83A: llc -verify-machineinstrs -enable-machine-outliner -mtriple \
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; RUN-V83A: aarch64-arm-none-eabi -mattr=+v8.3a %s -o - > %t
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; RUN-V83A: FileCheck --check-prefixes CHECK,V83A < %t %s
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define i64 @a(i64 %x) "sign-return-address"="non-leaf" "sign-return-address-key"="b_key" {
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; CHECK-LABEL: a: // @a
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; CHECK: .cfi_b_key_frame
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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; CHECK-NEXT: .cfi_negate_ra_state
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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%6 = alloca i32, align 4
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store i32 1, i32* %1, align 4
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store i32 2, i32* %2, align 4
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store i32 3, i32* %3, align 4
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store i32 4, i32* %4, align 4
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store i32 5, i32* %5, align 4
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store i32 6, i32* %6, align 4
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call void asm sideeffect "mov x30, $0", "r,~{lr}"(i64 %x) #1
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ret i64 %x
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}
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define i64 @b(i64 %x) "sign-return-address"="non-leaf" "sign-return-address-key"="b_key" {
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; CHECK-LABEL: b: // @b
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; CHECK: .cfi_b_key_frame
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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; CHECK-NEXT: .cfi_negate_ra_state
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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%6 = alloca i32, align 4
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store i32 1, i32* %1, align 4
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store i32 2, i32* %2, align 4
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store i32 3, i32* %3, align 4
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store i32 4, i32* %4, align 4
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store i32 5, i32* %5, align 4
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store i32 6, i32* %6, align 4
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call void asm sideeffect "mov x30, $0", "r,~{lr}"(i64 %x) #1
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ret i64 %x
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}
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define i64 @c(i64 %x) "sign-return-address"="non-leaf" "sign-return-address-key"="b_key" {
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; CHECK-LABEL: c: // @c
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; CHECK: .cfi_b_key_frame
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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; CHECK-NEXT: .cfi_negate_ra_state
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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%6 = alloca i32, align 4
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store i32 1, i32* %1, align 4
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store i32 2, i32* %2, align 4
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store i32 3, i32* %3, align 4
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store i32 4, i32* %4, align 4
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store i32 5, i32* %5, align 4
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store i32 6, i32* %6, align 4
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call void asm sideeffect "mov x30, $0", "r,~{lr}"(i64 %x) #1
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ret i64 %x
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}
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; Outlined function is leaf-function => don't sign it
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; CHECK-LABEL: OUTLINED_FUNCTION_0:
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; CHECK-NOT: .cfi_b_key_frame
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; CHECK-NOT: paci{{[a,b]}}sp
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; CHECK-NOT: hint #2{{[5,7]}}
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; CHECK-NOT: .cfi_negate_ra_state
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; CHECK-NOT: auti{{[a,b]}}sp
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