llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-backend-aarch64 Author: None (llvmbot) <details> <summary>Changes</summary> Backport fb470db7b3a8ce6853e8bf17d235617a2fa79434 Requested by: @<!-- -->sdesmalen-arm --- Full diff: https://github.com/llvm/llvm-project/pull/101932.diff 2 Files Affected: - (modified) llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp (+2-1) - (modified) llvm/test/Transforms/Inline/AArch64/sme-pstateza-attrs.ll (+45) ``````````diff diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp index 45148449dfb82..9630b36b99348 100644 --- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp @@ -254,7 +254,8 @@ bool AArch64TTIImpl::areInlineCompatible(const Function *Caller, return false; if (CallerAttrs.requiresLazySave(CalleeAttrs) || - CallerAttrs.requiresSMChange(CalleeAttrs)) { + CallerAttrs.requiresSMChange(CalleeAttrs) || + CallerAttrs.requiresPreservingZT0(CalleeAttrs)) { if (hasPossibleIncompatibleOps(Callee)) return false; } diff --git a/llvm/test/Transforms/Inline/AArch64/sme-pstateza-attrs.ll b/llvm/test/Transforms/Inline/AArch64/sme-pstateza-attrs.ll index 816492768cc0f..5e638103a2b06 100644 --- a/llvm/test/Transforms/Inline/AArch64/sme-pstateza-attrs.ll +++ b/llvm/test/Transforms/Inline/AArch64/sme-pstateza-attrs.ll @@ -231,6 +231,51 @@ define void @shared_za_caller_private_za_callee_call_tpidr2_restore_dont_inline( ret void } +define void @nonzt0_callee() { +; CHECK-LABEL: define void @nonzt0_callee +; CHECK-SAME: () #[[ATTR0]] { +; CHECK-NEXT: call void asm sideeffect " +; CHECK-NEXT: call void @inlined_body() +; CHECK-NEXT: ret void +; + call void asm sideeffect "; inlineasm", ""() + call void @inlined_body() + ret void +} + +define void @shared_zt0_caller_nonzt0_callee_dont_inline() "aarch64_inout_zt0" { +; CHECK-LABEL: define void @shared_zt0_caller_nonzt0_callee_dont_inline +; CHECK-SAME: () #[[ATTR3:[0-9]+]] { +; CHECK-NEXT: call void @nonzt0_callee() +; CHECK-NEXT: ret void +; + call void @nonzt0_callee() + ret void +} + +define void @shared_zt0_callee() "aarch64_inout_zt0" { +; CHECK-LABEL: define void @shared_zt0_callee +; CHECK-SAME: () #[[ATTR3]] { +; CHECK-NEXT: call void asm sideeffect " +; CHECK-NEXT: call void @inlined_body() +; CHECK-NEXT: ret void +; + call void asm sideeffect "; inlineasm", ""() + call void @inlined_body() + ret void +} + +define void @shared_zt0_caller_shared_zt0_callee_inline() "aarch64_inout_zt0" { +; CHECK-LABEL: define void @shared_zt0_caller_shared_zt0_callee_inline +; CHECK-SAME: () #[[ATTR3]] { +; CHECK-NEXT: call void asm sideeffect " +; CHECK-NEXT: call void @inlined_body() +; CHECK-NEXT: ret void +; + call void @shared_zt0_callee() + ret void +} + declare void @__arm_za_disable() declare void @__arm_tpidr2_save() declare void @__arm_tpidr2_restore(ptr) `````````` </details> https://github.com/llvm/llvm-project/pull/101932 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
