[llvm] [Intrinsics] Make `patchpoint.i64` generic on its return type (PR #85911)

[via llvm-commits]

=?utf-8?q?Csanád_Hajdú?= <csanad.hajdu at arm.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/85911 at github.com>


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@@ -79,6 +79,61 @@ entry:
   ret void
 }
 
+; Test register allocation for an i32 result value of patchpoint.
+define i32 @generic_patchpoint_i32() {
+entry:
+; CHECK-LABEL: generic_patchpoint_i32:
+; CHECK:      Ltmp
+; CHECK-NEXT: nop
+; The return value is already in w0.
+; CHECK-NEXT: ldp
+; CHECK-NEXT: ret
+  %result = tail call i32 (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.i32(i64 5, i32 4, ptr null, i32 0)
+  ret i32 %result
+}
+
+; Test register allocation for an i64 result value of patchpoint.
+define i64 @generic_patchpoint_i64() {
+entry:
+; CHECK-LABEL: generic_patchpoint_i64:
+; CHECK:      Ltmp
+; CHECK-NEXT: nop
+; The return value is already in x0.
+; CHECK-NEXT: ldp
+; CHECK-NEXT: ret
+  %result = tail call i64 (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 4, ptr null, i32 0)
+  ret i64 %result
+}
+
+; Test register allocation for a float result value of patchpoint.
+define float @generic_patchpoint_f32() {
+entry:
+; CHECK-LABEL: generic_patchpoint_f32:
+; CHECK:      Ltmp
+; CHECK-NEXT: nop
+; The return value is already in s0.
+; CHECK-NEXT: ldp
+; CHECK-NEXT: ret
+  %result = tail call float (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.f32(i64 5, i32 4, ptr null, i32 0)
+  ret float %result
+}
+
+; Test register allocation for a double result value of patchpoint.
+define double @generic_patchpoint_f64() {
+entry:
+; CHECK-LABEL: generic_patchpoint_f64:
+; CHECK:      Ltmp
+; CHECK-NEXT: nop
+; The return value is already in d0.
+; CHECK-NEXT: ldp
+; CHECK-NEXT: ret
+  %result = tail call double (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.f64(i64 5, i32 4, ptr null, i32 0)
+  ret double %result
+}
+
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Il-Capitano wrote:

Done. Also added a test case for pointers.

https://github.com/llvm/llvm-project/pull/85911