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Differential D112429 Diff 392315 llvm/test/CodeGen/Thumb2/pacbti-m-unsupported-arch.ll

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				; RUN: llc -mtriple thumbv6m-eabi %s -o - \| FileCheck %s
				; RUN: llc -mtriple thumbv8m.base-eabi %s -o - \| FileCheck %s
				; RUN: llc -mtriple thumbv7a-eabi %s -o - \| FileCheck %s
				; RUN: llc -mtriple thumbv7m-eabi %s -o - \| FileCheck %s --check-prefix=CHECK-PACBTI

				; Check we don't emit PACBTI-M instructions for architectures
				; that do not support them.
				define hidden i32 @f(i32 %x) #0 {
				entry:
				%x.addr = alloca i32, align 4
				store i32 %x, i32* %x.addr, align 4
				%0 = load i32, i32* %x.addr, align 4
				%sub = sub nsw i32 1, %0
				%call = call i32 @g(i32 %sub)
				%add = add nsw i32 1, %call
				ret i32 %add
				}
				; CHECK-LABEL: f:
				; CHECK-NOT: bti

				; CHECK-PACBTI-LABEL: f:
				; CHECK-PACBTI: pacbti
				declare dso_local i32 @g(i32)

				attributes #0 = { noinline nounwind }

				!llvm.module.flags = !{!0, !1, !2}

				!0 = !{i32 1, !"branch-target-enforcement", i32 1}
				!1 = !{i32 1, !"sign-return-address", i32 1}
				!2 = !{i32 1, !"sign-return-address-all", i32 0}