================
@@ -0,0 +1,44 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme -verify-machineinstrs < %s |
FileCheck %s
+
+
+define i1 @streaming_mode_st_compatible() #0 {
+; CHECK-LABEL: streaming_mode_st_compatible:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: bl __arm_sme_state
+; CHECK-NEXT: and w0, w0, #0x1
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+ %mode = tail call noundef i1 @llvm.aarch64.sme.in.streaming.mode()
+ ret i1 %mode
+}
+
+define i1 @streaming_mode_st_enabled() #1 {
+; CHECK-LABEL: streaming_mode_st_enabled:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: bl __arm_sme_state
+; CHECK-NEXT: and w0, w0, #0x1
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+ %mode = tail call noundef i1 @llvm.aarch64.sme.in.streaming.mode()
+ ret i1 %mode
+}
+
+define i1 @streaming_mode_st_disabled() #2 {
+; CHECK-LABEL: streaming_mode_st_disabled:
+; CHECK: // %bb.0:
+; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
+; CHECK-NEXT: bl __arm_sme_state
+; CHECK-NEXT: and w0, w0, #0x1
+; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
+; CHECK-NEXT: ret
+ %mode = tail call noundef i1 @llvm.aarch64.sme.in.streaming.mode()
+ ret i1 %mode
+}
+
----------------
sdesmalen-arm wrote:
I don't think these two tests are relevant. The generated code should always be
the same, because the intrinsic should have been folded away by the time it
gets to CodeGen.
https://github.com/llvm/llvm-project/pull/120265
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