diff --git a/llvm/test/CodeGen/AArch64/ptrauth-bti-call.ll b/llvm/test/CodeGen/AArch64/ptrauth-bti-call.ll
index 3a992929a80031..0356a46ec10500 100644
--- a/llvm/test/CodeGen/AArch64/ptrauth-bti-call.ll
+++ b/llvm/test/CodeGen/AArch64/ptrauth-bti-call.ll
@@ -1,10 +1,19 @@
-; RUN: llc -mtriple arm64e-apple-darwin -mattr=+bti              -asm-verbose=false -o - %s | FileCheck %s
-; RUN: llc -mtriple arm64e-apple-darwin -mattr=+bti -global-isel -asm-verbose=false -o - %s | FileCheck %s
-; RUN: llc -mtriple arm64e-apple-darwin -mattr=+bti -fast-isel   -asm-verbose=false -o - %s | FileCheck %s
+; RUN: llc -mtriple arm64e-apple-darwin -mattr=+bti              -asm-verbose=false \
+; RUN:   -o - %s | FileCheck %s --check-prefixes=DARWIN,CHECK
+; RUN: llc -mtriple arm64e-apple-darwin -mattr=+bti -global-isel -asm-verbose=false \
+; RUN:   -o - %s | FileCheck %s --check-prefixes=DARWIN,CHECK
+; RUN: llc -mtriple arm64e-apple-darwin -mattr=+bti -fast-isel   -asm-verbose=false \
+; RUN:   -o - %s | FileCheck %s --check-prefixes=DARWIN,CHECK
+; RUN: llc -mtriple aarch64-linux-gnu   -mattr=+bti -mattr=+pauth              -asm-verbose=false \
+; RUN:   -o - %s | FileCheck %s --check-prefixes=ELF,CHECK
+; RUN: llc -mtriple aarch64-linux-gnu   -mattr=+bti -mattr=+pauth -global-isel -asm-verbose=false \
+; RUN:   -o - %s | FileCheck %s --check-prefixes=ELF,CHECK
+; RUN: llc -mtriple aarch64-linux-gnu   -mattr=+bti -mattr=+pauth -fast-isel   -asm-verbose=false \
+; RUN:   -o - %s | FileCheck %s --check-prefixes=ELF,CHECK
 
 ; ptrauth tail-calls can only use x16/x17 with BTI.
 
-; CHECK-LABEL: _test_tailcall_ia_0:
+; CHECK-LABEL: test_tailcall_ia_0:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  mov x16, x0
 ; CHECK-NEXT:  braaz x16
@@ -13,7 +22,7 @@ define i32 @test_tailcall_ia_0(i32 ()* %arg0) #0 {
   ret i32 %tmp0
 }
 
-; CHECK-LABEL: _test_tailcall_ib_0:
+; CHECK-LABEL: test_tailcall_ib_0:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  mov x16, x0
 ; CHECK-NEXT:  brabz x16
@@ -22,7 +31,7 @@ define i32 @test_tailcall_ib_0(i32 ()* %arg0) #0 {
   ret i32 %tmp0
 }
 
-; CHECK-LABEL: _test_tailcall_ia_imm:
+; CHECK-LABEL: test_tailcall_ia_imm:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  mov x16, x0
 ; CHECK-NEXT:  mov x17, #42
@@ -32,7 +41,7 @@ define i32 @test_tailcall_ia_imm(i32 ()* %arg0) #0 {
   ret i32 %tmp0
 }
 
-; CHECK-LABEL: _test_tailcall_ib_imm:
+; CHECK-LABEL: test_tailcall_ib_imm:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  mov x16, x0
 ; CHECK-NEXT:  mov x17, #42
@@ -42,29 +51,37 @@ define i32 @test_tailcall_ib_imm(i32 ()* %arg0) #0 {
   ret i32 %tmp0
 }
 
-; CHECK-LABEL: _test_tailcall_ia_var:
-; CHECK-NEXT:  bti c
-; CHECK-NEXT:  mov x16, x0
-; CHECK-NEXT:  ldr x0, [x1]
-; CHECK-NEXT:  braa x16, x0
+; CHECK-LABEL: test_tailcall_ia_var:
+; DARWIN-NEXT: bti c
+; DARWIN-NEXT: mov x16, x0
+; DARWIN-NEXT: ldr x0, [x1]
+; DARWIN-NEXT: braa x16, x0
+; ELF-NEXT:    bti c
+; ELF-NEXT:    ldr x1, [x1]
+; ELF-NEXT:    mov x16, x0
+; ELF-NEXT:    braa x16, x1
 define i32 @test_tailcall_ia_var(i32 ()* %arg0, i64* %arg1) #0 {
   %tmp0 = load i64, i64* %arg1
   %tmp1 = tail call i32 %arg0() [ "ptrauth"(i32 0, i64 %tmp0) ]
   ret i32 %tmp1
 }
 
-; CHECK-LABEL: _test_tailcall_ib_var:
-; CHECK-NEXT:  bti c
-; CHECK-NEXT:  mov x16, x0
-; CHECK-NEXT:  ldr x0, [x1]
-; CHECK-NEXT:  brab x16, x0
+; CHECK-LABEL: test_tailcall_ib_var:
+; DARWIN-NEXT: bti c
+; DARWIN-NEXT: mov x16, x0
+; DARWIN-NEXT: ldr x0, [x1]
+; DARWIN-NEXT: brab x16, x0
+; ELF-NEXT:    bti c
+; ELF-NEXT:    ldr x1, [x1]
+; ELF-NEXT:    mov x16, x0
+; ELF-NEXT:    brab x16, x1
 define i32 @test_tailcall_ib_var(i32 ()* %arg0, i64* %arg1) #0 {
   %tmp0 = load i64, i64* %arg1
   %tmp1 = tail call i32 %arg0() [ "ptrauth"(i32 1, i64 %tmp0) ]
   ret i32 %tmp1
 }
 
-; CHECK-LABEL: _test_tailcall_ia_arg:
+; CHECK-LABEL: test_tailcall_ia_arg:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  mov x16, x0
 ; CHECK-NEXT:  braa x16, x1
@@ -73,7 +90,7 @@ define i32 @test_tailcall_ia_arg(i32 ()* %arg0, i64 %arg1) #0 {
   ret i32 %tmp0
 }
 
-; CHECK-LABEL: _test_tailcall_ib_arg:
+; CHECK-LABEL: test_tailcall_ib_arg:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  mov x16, x0
 ; CHECK-NEXT:  brab x16, x1
@@ -82,7 +99,7 @@ define i32 @test_tailcall_ib_arg(i32 ()* %arg0, i64 %arg1) #0 {
   ret i32 %tmp0
 }
 
-; CHECK-LABEL: _test_tailcall_ia_arg_ind:
+; CHECK-LABEL: test_tailcall_ia_arg_ind:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  ldr x16, [x0]
 ; CHECK-NEXT:  braa x16, x1
@@ -92,7 +109,7 @@ define i32 @test_tailcall_ia_arg_ind(i32 ()** %arg0, i64 %arg1) #0 {
   ret i32 %tmp1
 }
 
-; CHECK-LABEL: _test_tailcall_ib_arg_ind:
+; CHECK-LABEL: test_tailcall_ib_arg_ind:
 ; CHECK-NEXT:  bti c
 ; CHECK-NEXT:  ldr x16, [x0]
 ; CHECK-NEXT:  brab x16, x1
diff --git a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-blend.ll b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-blend.ll
index e60b3dfeaf2258..2dc8a4cdb06ddd 100644
--- a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-blend.ll
+++ b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-blend.ll
@@ -1,10 +1,12 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=0 | FileCheck %s
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
 
 define i64 @test_blend(i64 %arg, i64 %arg1) {
 ; CHECK-LABEL: test_blend:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    bfi x0, x1, #48, #16
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.blend(i64 %arg, i64 %arg1)
@@ -13,7 +15,7 @@ define i64 @test_blend(i64 %arg, i64 %arg1) {
 
 define i64 @test_blend_constant(i64 %arg) {
 ; CHECK-LABEL: test_blend_constant:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    movk x0, #12345, lsl #48
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.blend(i64 %arg, i64 12345)
@@ -23,7 +25,7 @@ define i64 @test_blend_constant(i64 %arg) {
 ; Blend isn't commutative.
 define i64 @test_blend_constant_swapped(i64 %arg) {
 ; CHECK-LABEL: test_blend_constant_swapped:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    mov w8, #12345
 ; CHECK-NEXT:    bfi x8, x0, #48, #16
 ; CHECK-NEXT:    mov x0, x8
@@ -35,7 +37,7 @@ define i64 @test_blend_constant_swapped(i64 %arg) {
 ; Blends of constants wider than 16 bits truncate the constant.
 define i64 @test_blend_constant_wide(i64 %arg) {
 ; CHECK-LABEL: test_blend_constant_wide:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    mov w8, #65536
 ; CHECK-NEXT:    bfi x0, x8, #48, #16
 ; CHECK-NEXT:    ret
diff --git a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign-generic.ll b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign-generic.ll
index 1f14f67926f77b..9effaa6992752e 100644
--- a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign-generic.ll
+++ b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign-generic.ll
@@ -1,10 +1,12 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=0 | FileCheck %s
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
 
 define i64 @test_sign_generic(i64 %arg, i64 %arg1) {
 ; CHECK-LABEL: test_sign_generic:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacga x0, x0, x1
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign.generic(i64 %arg, i64 %arg1)
diff --git a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign.ll b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign.ll
index 340a3530a5f5b2..01fdc05a5aa099 100644
--- a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign.ll
+++ b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-sign.ll
@@ -1,10 +1,12 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=0 | FileCheck %s
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
 
 define i64 @test_sign_ia(i64 %arg, i64 %arg1) {
 ; CHECK-LABEL: test_sign_ia:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacia x0, x1
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 0, i64 %arg1)
@@ -13,7 +15,7 @@ define i64 @test_sign_ia(i64 %arg, i64 %arg1) {
 
 define i64 @test_sign_ia_zero(i64 %arg) {
 ; CHECK-LABEL: test_sign_ia_zero:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    paciza x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 0, i64 0)
@@ -22,7 +24,7 @@ define i64 @test_sign_ia_zero(i64 %arg) {
 
 define i64 @test_sign_ib(i64 %arg, i64 %arg1) {
 ; CHECK-LABEL: test_sign_ib:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacib x0, x1
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 1, i64 %arg1)
@@ -31,7 +33,7 @@ define i64 @test_sign_ib(i64 %arg, i64 %arg1) {
 
 define i64 @test_sign_ib_zero(i64 %arg) {
 ; CHECK-LABEL: test_sign_ib_zero:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacizb x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 1, i64 0)
@@ -40,7 +42,7 @@ define i64 @test_sign_ib_zero(i64 %arg) {
 
 define i64 @test_sign_da(i64 %arg, i64 %arg1) {
 ; CHECK-LABEL: test_sign_da:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacda x0, x1
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 2, i64 %arg1)
@@ -49,7 +51,7 @@ define i64 @test_sign_da(i64 %arg, i64 %arg1) {
 
 define i64 @test_sign_da_zero(i64 %arg) {
 ; CHECK-LABEL: test_sign_da_zero:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacdza x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 2, i64 0)
@@ -58,7 +60,7 @@ define i64 @test_sign_da_zero(i64 %arg) {
 
 define i64 @test_sign_db(i64 %arg, i64 %arg1) {
 ; CHECK-LABEL: test_sign_db:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacdb x0, x1
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 3, i64 %arg1)
@@ -67,7 +69,7 @@ define i64 @test_sign_db(i64 %arg, i64 %arg1) {
 
 define i64 @test_sign_db_zero(i64 %arg) {
 ; CHECK-LABEL: test_sign_db_zero:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    pacdzb x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.sign(i64 %arg, i32 3, i64 0)
diff --git a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-strip.ll b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-strip.ll
index a99c046a895517..1aeff7aec2ee49 100644
--- a/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-strip.ll
+++ b/llvm/test/CodeGen/AArch64/ptrauth-intrinsic-strip.ll
@@ -1,12 +1,12 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=0 | FileCheck %s
-; RUN: llc < %s -mtriple arm64e-apple-darwin -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
-
-target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple arm64e-apple-darwin             -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=0 | FileCheck %s
+; RUN: llc < %s -mtriple aarch64-linux-gnu -mattr=+pauth -verify-machineinstrs -global-isel=1 -global-isel-abort=1 | FileCheck %s
 
 define i64 @test_strip_ia(i64 %arg) {
 ; CHECK-LABEL: test_strip_ia:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    xpaci x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.strip(i64 %arg, i32 0)
@@ -15,7 +15,7 @@ define i64 @test_strip_ia(i64 %arg) {
 
 define i64 @test_strip_ib(i64 %arg) {
 ; CHECK-LABEL: test_strip_ib:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    xpaci x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.strip(i64 %arg, i32 1)
@@ -24,7 +24,7 @@ define i64 @test_strip_ib(i64 %arg) {
 
 define i64 @test_strip_da(i64 %arg) {
 ; CHECK-LABEL: test_strip_da:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    xpacd x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.strip(i64 %arg, i32 2)
@@ -33,7 +33,7 @@ define i64 @test_strip_da(i64 %arg) {
 
 define i64 @test_strip_db(i64 %arg) {
 ; CHECK-LABEL: test_strip_db:
-; CHECK:       ; %bb.0:
+; CHECK:       %bb.0:
 ; CHECK-NEXT:    xpacd x0
 ; CHECK-NEXT:    ret
   %tmp = call i64 @llvm.ptrauth.strip(i64 %arg, i32 3)