1 files changed, 99 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/kcfi-patchable-function-prefix.ll b/llvm/test/CodeGen/ARM/kcfi-patchable-function-prefix.ll
new file mode 100644
index 0000000..f8e0838
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/kcfi-patchable-function-prefix.ll
@@ -0,0 +1,99 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -mtriple=armv7-linux-gnueabi -verify-machineinstrs < %s | FileCheck %s
+
+; CHECK:          .p2align 2
+; CHECK-NOT:        nop
+; CHECK:          .long   12345678
+define void @f1(ptr noundef %x) !kcfi_type !1 {
+; CHECK-LABEL: f1:
+; CHECK:       @ %bb.0:
+; CHECK-NEXT:    .save {r11, lr}
+; CHECK-NEXT:    push {r11, lr}
+; CHECK-NEXT:    bic r12, r0, #1
+; CHECK-NEXT:    ldr r12, [r12, #-4]
+; CHECK-NEXT:    eor r12, r12, #78
+; CHECK-NEXT:    eor r12, r12, #24832
+; CHECK-NEXT:    eor r12, r12, #12320768
+; CHECK-NEXT:    eors r12, r12, #0
+; CHECK-NEXT:    beq .Ltmp0
+; CHECK-NEXT:    udf #33760
+; CHECK-NEXT:  .Ltmp0:
+; CHECK-NEXT:    blx r0
+; CHECK-NEXT:    pop {r11, pc}
+  call void %x() [ "kcfi"(i32 12345678) ]
+  ret void
+}
+
+; CHECK:          .p2align 2
+; CHECK-NOT:       .long
+; CHECK-NOT:        nop
+define void @f2(ptr noundef %x) {
+; CHECK-LABEL: f2:
+; CHECK:       @ %bb.0:
+; CHECK-NEXT:    .save {r11, lr}
+; CHECK-NEXT:    push {r11, lr}
+; CHECK-NEXT:    bic r12, r0, #1
+; CHECK-NEXT:    ldr r12, [r12, #-4]
+; CHECK-NEXT:    eor r12, r12, #78
+; CHECK-NEXT:    eor r12, r12, #24832
+; CHECK-NEXT:    eor r12, r12, #12320768
+; CHECK-NEXT:    eors r12, r12, #0
+; CHECK-NEXT:    beq .Ltmp1
+; CHECK-NEXT:    udf #33760
+; CHECK-NEXT:  .Ltmp1:
+; CHECK-NEXT:    blx r0
+; CHECK-NEXT:    pop {r11, pc}
+  call void %x() [ "kcfi"(i32 12345678) ]
+  ret void
+}
+
+; CHECK:          .p2align 2
+; CHECK:          .long   12345678
+; CHECK-COUNT-11:   nop
+define void @f3(ptr noundef %x) #0 !kcfi_type !1 {
+; CHECK-LABEL: f3:
+; CHECK:       @ %bb.0:
+; CHECK-NEXT:    .save {r11, lr}
+; CHECK-NEXT:    push {r11, lr}
+; CHECK-NEXT:    bic r12, r0, #1
+; CHECK-NEXT:    ldr r12, [r12, #-48]
+; CHECK-NEXT:    eor r12, r12, #78
+; CHECK-NEXT:    eor r12, r12, #24832
+; CHECK-NEXT:    eor r12, r12, #12320768
+; CHECK-NEXT:    eors r12, r12, #0
+; CHECK-NEXT:    beq .Ltmp3
+; CHECK-NEXT:    udf #33760
+; CHECK-NEXT:  .Ltmp3:
+; CHECK-NEXT:    blx r0
+; CHECK-NEXT:    pop {r11, pc}
+  call void %x() [ "kcfi"(i32 12345678) ]
+  ret void
+}
+
+; CHECK:          .p2align 2
+; CHECK-COUNT-11:   nop
+define void @f4(ptr noundef %x) #0 {
+; CHECK-LABEL: f4:
+; CHECK:       @ %bb.0:
+; CHECK-NEXT:    .save {r11, lr}
+; CHECK-NEXT:    push {r11, lr}
+; CHECK-NEXT:    bic r12, r0, #1
+; CHECK-NEXT:    ldr r12, [r12, #-48]
+; CHECK-NEXT:    eor r12, r12, #78
+; CHECK-NEXT:    eor r12, r12, #24832
+; CHECK-NEXT:    eor r12, r12, #12320768
+; CHECK-NEXT:    eors r12, r12, #0
+; CHECK-NEXT:    beq .Ltmp5
+; CHECK-NEXT:    udf #33760
+; CHECK-NEXT:  .Ltmp5:
+; CHECK-NEXT:    blx r0
+; CHECK-NEXT:    pop {r11, pc}
+  call void %x() [ "kcfi"(i32 12345678) ]
+  ret void
+}
+
+attributes #0 = { "patchable-function-prefix"="11" }
+
+!llvm.module.flags = !{!0}
+!0 = !{i32 4, !"kcfi", i32 1}
+!1 = !{i32 12345678}