derek.holloway
7502bf64a4
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88 lines
2.7 KiB
LLVM
88 lines
2.7 KiB
LLVM
; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple \
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; RUN: aarch64-arm-linux-gnu %s -o - | FileCheck %s
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; Check that functions that should sign their return addresses don't get
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; outlined if not all of the function either support v8.3a features or all of
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; the functions don't!!
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define void @a() #0 {
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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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; CHECK-NEXT: pacibsp
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; CHECK-NEXT: .cfi_negate_ra_state
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; CHECK-NOT: OUTLINED_FUNCTION_
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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, ptr %1, align 4
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store i32 2, ptr %2, align 4
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store i32 3, ptr %3, align 4
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store i32 4, ptr %4, align 4
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store i32 5, ptr %5, align 4
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store i32 6, ptr %6, align 4
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; CHECK-NOT: auti{{[a,b]}}sp
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; CHECK: retab
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ret void
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}
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define void @b() #0 {
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; CHECK-LABEL: b: // @b
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; CHECK: // %bb.0:
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; CHECK-NEXT: .cfi_b_key_frame
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; CHECK-NEXT: pacibsp
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; CHECK-NEXT: .cfi_negate_ra_state
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; CHECK-NOT: OUTLINED_FUNCTION_
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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, ptr %1, align 4
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store i32 2, ptr %2, align 4
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store i32 3, ptr %3, align 4
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store i32 4, ptr %4, align 4
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store i32 5, ptr %5, align 4
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store i32 6, ptr %6, align 4
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; CHECK-NOT: auti{{[a,b]}}sp
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; CHECK: retab
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ret void
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}
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define void @c() #1 {
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; CHECK-LABEL: c: // @c
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; CHECK: // %bb.0:
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; CHECK-NEXT: .cfi_b_key_frame
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; CHECK-NEXT: hint #27
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; CHECK-NEXT: .cfi_negate_ra_state
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; CHECK-NOT: OUTLINED_FUNCTION_
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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, ptr %1, align 4
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store i32 2, ptr %2, align 4
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store i32 3, ptr %3, align 4
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store i32 4, ptr %4, align 4
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store i32 5, ptr %5, align 4
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store i32 6, ptr %6, align 4
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; CHECK: hint #31
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; CHECK-NOT: ret{{[a,b]}}
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ret void
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}
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attributes #0 = { "sign-return-address"="all"
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"sign-return-address-key"="b_key"
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"target-features"="+v8.3a" }
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attributes #1 = { "sign-return-address"="all"
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"sign-return-address-key"="b_key" }
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; CHECK-NOT: OUTLINED_FUNCTION_
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