90 lines
3.0 KiB
LLVM
90 lines
3.0 KiB
LLVM
; 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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; Function a's outlining candidate contains a sp modifying add without a
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; corresponsing sub, so we shouldn't outline it.
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define void @a() "sign-return-address"="all" "sign-return-address-key"="b_key" {
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; CHECK-LABEL: a: // @a
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; CHECK: // %bb.0:
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; CHECK-NEXT: .cfi_b_key_frame
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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; V8A-NEXT, V83A-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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; CHECK-NOT: bl OUTLINED_FUNCTION_{{[0-9]+}}
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; V8A: hint #31
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; V83A: autibsp
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; CHECK-NEXT: ret
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ret void
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}
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define void @b() "sign-return-address"="all" "sign-return-address-key"="b_key" nounwind {
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; CHECK-LABEL: b: // @b
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; CHECK-NEXT: // %bb.0:
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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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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; CHECK: bl [[OUTLINED_FUNC:OUTLINED_FUNCTION_[0-9]+]]
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; V8A: hint #31
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; V83A: autibsp
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; V8A-NEXT, V83A-NEXT: ret
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ret void
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}
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define void @c() "sign-return-address"="all" "sign-return-address-key"="b_key" nounwind {
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; CHECK-LABEL: c: // @c
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; CHECK-NEXT: // %bb.0:
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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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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; CHECK: bl [[OUTLINED_FUNC]]
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; V8A: hint #31
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; V83A: autibsp
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; V8A-NEXT, V83A-NEXT: ret
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ret void
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}
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; CHECK: [[OUTLINED_FUNC]]
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; CHECK: // %bb.0:
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; V8A-NEXT: hint #27
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; V83A-NEXT: pacibsp
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; V8A: hint #31
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; V83A: autibsp
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; V8A-NEXT, V83A-NEXT: ret
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