derek.holloway
7502bf64a4
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332 lines
13 KiB
LLVM
332 lines
13 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple arm64e-apple-darwin -global-isel=0 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=none | FileCheck %s -DL="L" --check-prefixes=UNCHECKED,UNCHECKED-DARWIN
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; RUN: llc < %s -mtriple arm64e-apple-darwin -global-isel -global-isel-abort=1 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=none | FileCheck %s -DL="L" --check-prefixes=UNCHECKED,UNCHECKED-DARWIN
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; RUN: llc < %s -mtriple arm64e-apple-darwin -global-isel=0 -verify-machineinstrs \
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; RUN: | FileCheck %s -DL="L" --check-prefixes=CHECKED,CHECKED-DARWIN
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; RUN: llc < %s -mtriple arm64e-apple-darwin -global-isel -global-isel-abort=1 -verify-machineinstrs \
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; RUN: | FileCheck %s -DL="L" --check-prefixes=CHECKED,CHECKED-DARWIN
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; RUN: llc < %s -mtriple arm64e-apple-darwin -global-isel=0 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=trap | FileCheck %s -DL="L" --check-prefixes=TRAP,TRAP-DARWIN
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; RUN: llc < %s -mtriple arm64e-apple-darwin -global-isel -global-isel-abort=1 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=trap | FileCheck %s -DL="L" --check-prefixes=TRAP,TRAP-DARWIN
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -global-isel=0 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=none | FileCheck %s -DL=".L" --check-prefixes=UNCHECKED,UNCHECKED-ELF
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -global-isel -global-isel-abort=1 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=none | FileCheck %s -DL=".L" --check-prefixes=UNCHECKED,UNCHECKED-ELF
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -global-isel=0 -verify-machineinstrs \
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; RUN: | FileCheck %s -DL=".L" --check-prefixes=CHECKED,CHECKED-ELF
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -global-isel -global-isel-abort=1 -verify-machineinstrs \
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; RUN: | FileCheck %s -DL=".L" --check-prefixes=CHECKED,CHECKED-ELF
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -global-isel=0 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=trap | FileCheck %s -DL=".L" --check-prefixes=TRAP,TRAP-ELF
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -global-isel -global-isel-abort=1 -verify-machineinstrs \
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; RUN: -aarch64-ptrauth-auth-checks=trap | FileCheck %s -DL=".L" --check-prefixes=TRAP,TRAP-ELF
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; Make sure codegen at -O0 does not crash:
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;
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -O0 -verify-machineinstrs -global-isel=0
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; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -O0 -verify-machineinstrs -global-isel=1 -global-isel-abort=1
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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define i64 @test_auth_blend(i64 %arg, i64 %arg1) {
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; UNCHECKED-LABEL: test_auth_blend:
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; UNCHECKED: %bb.0:
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; UNCHECKED-DARWIN-NEXT: mov x16, x0
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; UNCHECKED-DARWIN-NEXT: mov x17, x1
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; UNCHECKED-DARWIN-NEXT: movk x17, #65535, lsl #48
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; UNCHECKED-DARWIN-NEXT: autda x16, x17
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; UNCHECKED-DARWIN-NEXT: mov x0, x16
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; UNCHECKED-ELF-NEXT: movk x1, #65535, lsl #48
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; UNCHECKED-ELF-NEXT: autda x0, x1
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; UNCHECKED-NEXT: ret
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;
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; CHECKED-LABEL: test_auth_blend:
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; CHECKED: %bb.0:
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; CHECKED-DARWIN-NEXT: mov x16, x0
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; CHECKED-DARWIN-NEXT: mov x17, x1
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; CHECKED-DARWIN-NEXT: movk x17, #65535, lsl #48
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; CHECKED-DARWIN-NEXT: autda x16, x17
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; CHECKED-DARWIN-NEXT: mov x0, x16
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; CHECKED-ELF-NEXT: movk x1, #65535, lsl #48
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; CHECKED-ELF-NEXT: autda x0, x1
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; CHECKED-NEXT: ret
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;
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; TRAP-LABEL: test_auth_blend:
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; TRAP: %bb.0:
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; TRAP-DARWIN-NEXT: mov x16, x0
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; TRAP-DARWIN-NEXT: mov x17, x1
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; TRAP-DARWIN-NEXT: movk x17, #65535, lsl #48
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; TRAP-DARWIN-NEXT: autda x16, x17
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; TRAP-DARWIN-NEXT: mov x17, x16
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; TRAP-DARWIN-NEXT: xpacd x17
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; TRAP-DARWIN-NEXT: cmp x16, x17
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; TRAP-ELF-NEXT: movk x1, #65535, lsl #48
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; TRAP-ELF-NEXT: autda x0, x1
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; TRAP-ELF-NEXT: mov x8, x0
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; TRAP-ELF-NEXT: xpacd x8
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; TRAP-ELF-NEXT: cmp x0, x8
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; TRAP-NEXT: b.eq [[L]]auth_success_0
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; TRAP-NEXT: brk #0xc472
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; TRAP-NEXT: Lauth_success_0:
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; TRAP-DARWIN-NEXT: mov x0, x16
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; TRAP-NEXT: ret
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%tmp0 = call i64 @llvm.ptrauth.blend(i64 %arg1, i64 65535)
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%tmp1 = call i64 @llvm.ptrauth.auth(i64 %arg, i32 2, i64 %tmp0)
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ret i64 %tmp1
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}
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define i64 @test_resign_blend(i64 %arg, i64 %arg1, i64 %arg2) {
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; UNCHECKED-LABEL: test_resign_blend:
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; UNCHECKED: %bb.0:
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; UNCHECKED-NEXT: mov x16, x0
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; UNCHECKED-ELF-NEXT: movk x1, #12345, lsl #48
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; UNCHECKED-ELF-NEXT: autda x16, x1
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; UNCHECKED-DARWIN-NEXT: mov x17, x1
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; UNCHECKED-DARWIN-NEXT: movk x17, #12345, lsl #48
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; UNCHECKED-DARWIN-NEXT: autda x16, x17
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; UNCHECKED-NEXT: mov x17, x2
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; UNCHECKED-NEXT: movk x17, #56789, lsl #48
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; UNCHECKED-NEXT: pacdb x16, x17
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; UNCHECKED-NEXT: mov x0, x16
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; UNCHECKED-NEXT: ret
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;
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; CHECKED-LABEL: test_resign_blend:
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; CHECKED: %bb.0:
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; CHECKED-NEXT: mov x16, x0
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; CHECKED-ELF-NEXT: movk x1, #12345, lsl #48
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; CHECKED-ELF-NEXT: autda x16, x1
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; CHECKED-DARWIN-NEXT: mov x17, x1
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; CHECKED-DARWIN-NEXT: movk x17, #12345, lsl #48
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; CHECKED-DARWIN-NEXT: autda x16, x17
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; CHECKED-NEXT: mov x17, x16
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; CHECKED-NEXT: xpacd x17
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; CHECKED-NEXT: cmp x16, x17
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; CHECKED-NEXT: b.eq [[L]]auth_success_0
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; CHECKED-NEXT: mov x16, x17
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; CHECKED-NEXT: b [[L]]resign_end_0
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; CHECKED-NEXT: Lauth_success_0:
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; CHECKED-NEXT: mov x17, x2
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; CHECKED-NEXT: movk x17, #56789, lsl #48
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; CHECKED-NEXT: pacdb x16, x17
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; CHECKED-NEXT: Lresign_end_0:
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; CHECKED-NEXT: mov x0, x16
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; CHECKED-NEXT: ret
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;
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; TRAP-LABEL: test_resign_blend:
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; TRAP: %bb.0:
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; TRAP-NEXT: mov x16, x0
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; TRAP-ELF-NEXT: movk x1, #12345, lsl #48
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; TRAP-ELF-NEXT: autda x16, x1
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; TRAP-DARWIN-NEXT: mov x17, x1
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; TRAP-DARWIN-NEXT: movk x17, #12345, lsl #48
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; TRAP-DARWIN-NEXT: autda x16, x17
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; TRAP-NEXT: mov x17, x16
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; TRAP-NEXT: xpacd x17
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; TRAP-NEXT: cmp x16, x17
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; TRAP-NEXT: b.eq [[L]]auth_success_1
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; TRAP-NEXT: brk #0xc472
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; TRAP-NEXT: Lauth_success_1:
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; TRAP-NEXT: mov x17, x2
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; TRAP-NEXT: movk x17, #56789, lsl #48
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; TRAP-NEXT: pacdb x16, x17
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; TRAP-NEXT: mov x0, x16
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; TRAP-NEXT: ret
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%tmp0 = call i64 @llvm.ptrauth.blend(i64 %arg1, i64 12345)
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%tmp1 = call i64 @llvm.ptrauth.blend(i64 %arg2, i64 56789)
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%tmp2 = call i64 @llvm.ptrauth.resign(i64 %arg, i32 2, i64 %tmp0, i32 3, i64 %tmp1)
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ret i64 %tmp2
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}
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define i64 @test_resign_blend_and_const(i64 %arg, i64 %arg1) {
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; UNCHECKED-LABEL: test_resign_blend_and_const:
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; UNCHECKED: %bb.0:
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; UNCHECKED-NEXT: mov x16, x0
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; UNCHECKED-ELF-NEXT: movk x1, #12345, lsl #48
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; UNCHECKED-ELF-NEXT: autda x16, x1
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; UNCHECKED-DARWIN-NEXT: mov x17, x1
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; UNCHECKED-DARWIN-NEXT: movk x17, #12345, lsl #48
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; UNCHECKED-DARWIN-NEXT: autda x16, x17
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; UNCHECKED-NEXT: mov x17, #56789
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; UNCHECKED-NEXT: pacdb x16, x17
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; UNCHECKED-NEXT: mov x0, x16
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; UNCHECKED-NEXT: ret
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;
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; CHECKED-LABEL: test_resign_blend_and_const:
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; CHECKED: %bb.0:
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; CHECKED-NEXT: mov x16, x0
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; CHECKED-ELF-NEXT: movk x1, #12345, lsl #48
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; CHECKED-ELF-NEXT: autda x16, x1
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; CHECKED-DARWIN-NEXT: mov x17, x1
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; CHECKED-DARWIN-NEXT: movk x17, #12345, lsl #48
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; CHECKED-DARWIN-NEXT: autda x16, x17
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; CHECKED-NEXT: mov x17, x16
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; CHECKED-NEXT: xpacd x17
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; CHECKED-NEXT: cmp x16, x17
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; CHECKED-NEXT: b.eq [[L]]auth_success_1
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; CHECKED-NEXT: mov x16, x17
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; CHECKED-NEXT: b [[L]]resign_end_1
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; CHECKED-NEXT: Lauth_success_1:
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; CHECKED-NEXT: mov x17, #56789
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; CHECKED-NEXT: pacdb x16, x17
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; CHECKED-NEXT: Lresign_end_1:
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; CHECKED-NEXT: mov x0, x16
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; CHECKED-NEXT: ret
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;
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; TRAP-LABEL: test_resign_blend_and_const:
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; TRAP: %bb.0:
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; TRAP-NEXT: mov x16, x0
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; TRAP-ELF-NEXT: movk x1, #12345, lsl #48
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; TRAP-ELF-NEXT: autda x16, x1
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; TRAP-DARWIN-NEXT: mov x17, x1
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; TRAP-DARWIN-NEXT: movk x17, #12345, lsl #48
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; TRAP-DARWIN-NEXT: autda x16, x17
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; TRAP-NEXT: mov x17, x16
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; TRAP-NEXT: xpacd x17
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; TRAP-NEXT: cmp x16, x17
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; TRAP-NEXT: b.eq [[L]]auth_success_2
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; TRAP-NEXT: brk #0xc472
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; TRAP-NEXT: Lauth_success_2:
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; TRAP-NEXT: mov x17, #56789
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; TRAP-NEXT: pacdb x16, x17
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; TRAP-NEXT: mov x0, x16
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; TRAP-NEXT: ret
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%tmp0 = call i64 @llvm.ptrauth.blend(i64 %arg1, i64 12345)
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%tmp1 = call i64 @llvm.ptrauth.resign(i64 %arg, i32 2, i64 %tmp0, i32 3, i64 56789)
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ret i64 %tmp1
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}
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define i64 @test_resign_blend_and_addr(i64 %arg, i64 %arg1, i64 %arg2) {
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; UNCHECKED-LABEL: test_resign_blend_and_addr:
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; UNCHECKED: %bb.0:
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; UNCHECKED-NEXT: mov x16, x0
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; UNCHECKED-ELF-NEXT: movk x1, #12345, lsl #48
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; UNCHECKED-ELF-NEXT: autda x16, x1
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; UNCHECKED-DARWIN-NEXT: mov x17, x1
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; UNCHECKED-DARWIN-NEXT: movk x17, #12345, lsl #48
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; UNCHECKED-DARWIN-NEXT: autda x16, x17
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; UNCHECKED-NEXT: pacdb x16, x2
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; UNCHECKED-NEXT: mov x0, x16
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; UNCHECKED-NEXT: ret
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;
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; CHECKED-LABEL: test_resign_blend_and_addr:
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; CHECKED: %bb.0:
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; CHECKED-NEXT: mov x16, x0
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; CHECKED-ELF-NEXT: movk x1, #12345, lsl #48
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; CHECKED-ELF-NEXT: autda x16, x1
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; CHECKED-DARWIN-NEXT: mov x17, x1
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; CHECKED-DARWIN-NEXT: movk x17, #12345, lsl #48
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; CHECKED-DARWIN-NEXT: autda x16, x17
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; CHECKED-NEXT: mov x17, x16
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; CHECKED-NEXT: xpacd x17
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; CHECKED-NEXT: cmp x16, x17
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; CHECKED-NEXT: b.eq [[L]]auth_success_2
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; CHECKED-NEXT: mov x16, x17
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; CHECKED-NEXT: b [[L]]resign_end_2
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; CHECKED-NEXT: Lauth_success_2:
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; CHECKED-NEXT: pacdb x16, x2
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; CHECKED-NEXT: Lresign_end_2:
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; CHECKED-NEXT: mov x0, x16
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; CHECKED-NEXT: ret
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;
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; TRAP-LABEL: test_resign_blend_and_addr:
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; TRAP: %bb.0:
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; TRAP-NEXT: mov x16, x0
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; TRAP-ELF-NEXT: movk x1, #12345, lsl #48
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; TRAP-ELF-NEXT: autda x16, x1
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; TRAP-DARWIN-NEXT: mov x17, x1
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; TRAP-DARWIN-NEXT: movk x17, #12345, lsl #48
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; TRAP-DARWIN-NEXT: autda x16, x17
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; TRAP-NEXT: mov x17, x16
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; TRAP-NEXT: xpacd x17
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; TRAP-NEXT: cmp x16, x17
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; TRAP-NEXT: b.eq [[L]]auth_success_3
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; TRAP-NEXT: brk #0xc472
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; TRAP-NEXT: Lauth_success_3:
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; TRAP-NEXT: pacdb x16, x2
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; TRAP-NEXT: mov x0, x16
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; TRAP-NEXT: ret
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%tmp0 = call i64 @llvm.ptrauth.blend(i64 %arg1, i64 12345)
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%tmp1 = call i64 @llvm.ptrauth.resign(i64 %arg, i32 2, i64 %tmp0, i32 3, i64 %arg2)
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ret i64 %tmp1
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}
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define i64 @test_auth_too_large_discriminator(i64 %arg, i64 %arg1) {
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; UNCHECKED-LABEL: test_auth_too_large_discriminator:
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; UNCHECKED: %bb.0:
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; UNCHECKED-NEXT: mov w8, #65536
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; UNCHECKED-DARWIN-NEXT: bfi x1, x8, #48, #16
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; UNCHECKED-DARWIN-NEXT: mov x16, x0
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; UNCHECKED-DARWIN-NEXT: autda x16, x1
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; UNCHECKED-DARWIN-NEXT: mov x0, x16
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; UNCHECKED-ELF-NEXT: bfi x1, x8, #48, #16
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; UNCHECKED-ELF-NEXT: autda x0, x1
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; UNCHECKED-NEXT: ret
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;
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; CHECKED-LABEL: test_auth_too_large_discriminator:
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; CHECKED: %bb.0:
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; CHECKED-NEXT: mov w8, #65536
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; CHECKED-DARWIN-NEXT: bfi x1, x8, #48, #16
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; CHECKED-DARWIN-NEXT: mov x16, x0
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; CHECKED-DARWIN-NEXT: autda x16, x1
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; CHECKED-DARWIN-NEXT: mov x0, x16
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; CHECKED-ELF-NEXT: bfi x1, x8, #48, #16
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; CHECKED-ELF-NEXT: autda x0, x1
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; CHECKED-NEXT: ret
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;
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; TRAP-LABEL: test_auth_too_large_discriminator:
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; TRAP: %bb.0:
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; TRAP-NEXT: mov w8, #65536
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; TRAP-NEXT: bfi x1, x8, #48, #16
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; TRAP-DARWIN-NEXT: mov x16, x0
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; TRAP-DARWIN-NEXT: autda x16, x1
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; TRAP-DARWIN-NEXT: mov x17, x16
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; TRAP-DARWIN-NEXT: xpacd x17
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; TRAP-DARWIN-NEXT: cmp x16, x17
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; TRAP-ELF-NEXT: autda x0, x1
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; TRAP-ELF-NEXT: mov x8, x0
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; TRAP-ELF-NEXT: xpacd x8
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; TRAP-ELF-NEXT: cmp x0, x8
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; TRAP-NEXT: b.eq [[L]]auth_success_4
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; TRAP-NEXT: brk #0xc472
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; TRAP-NEXT: Lauth_success_4:
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; TRAP-DARWIN-NEXT: mov x0, x16
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; TRAP-NEXT: ret
|
|
%tmp0 = call i64 @llvm.ptrauth.blend(i64 %arg1, i64 65536)
|
|
%tmp1 = call i64 @llvm.ptrauth.auth(i64 %arg, i32 2, i64 %tmp0)
|
|
ret i64 %tmp1
|
|
}
|
|
|
|
; Without "@earlyclobber $Scratch" constraint on AUTxMxN pseudo, the following
|
|
; instruction was fed to AArch64AsmPrinter at -O0
|
|
;
|
|
; renamable $x8, dead renamable $x9 = AUTxMxN renamable $x8(tied-def 0), 0, 1, renamable $x9, implicit-def dead $nzcv
|
|
;
|
|
; resulting in an assertion:
|
|
;
|
|
; Assertion `ScratchReg != AddrDisc && "Forbidden to clobber AddrDisc, but have to"
|
|
;
|
|
define i64 @autxmxn_scratch_is_earlyclobber(i64 %ptr, i64 %arg) {
|
|
entry:
|
|
%discr = call i64 @llvm.ptrauth.blend(i64 %arg, i64 1)
|
|
br label %some.bb
|
|
|
|
some.bb:
|
|
%authed = call i64 @llvm.ptrauth.auth(i64 %ptr, i32 0, i64 %discr)
|
|
br label %some.other.bb
|
|
|
|
some.other.bb:
|
|
ret i64 %authed
|
|
}
|
|
|
|
declare i64 @llvm.ptrauth.auth(i64, i32, i64)
|
|
declare i64 @llvm.ptrauth.resign(i64, i32, i64, i32, i64)
|
|
declare i64 @llvm.ptrauth.blend(i64, i64)
|