Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/CodeGen/X86/2009-03-09-APIntCrash.ll

@@ -0,0 +1,25 @@
+; RUN: llc < %s -mtriple=x86_64--
+; PR3763
+	%struct.__block_descriptor = type { i64, i64 }
+
+define %struct.__block_descriptor @evUTCTime() nounwind {
+entry:
+	br i1 false, label %if.then, label %return
+
+if.then:		; preds = %entry
+	%srcval18 = load i128, i128* null, align 8		; <i128> [#uses=1]
+	%tmp15 = lshr i128 %srcval18, 64		; <i128> [#uses=1]
+	%tmp9 = mul i128 %tmp15, 18446744073709551616000		; <i128> [#uses=1]
+	br label %return
+
+return:		; preds = %if.then, %entry
+	%retval.0 = phi i128 [ %tmp9, %if.then ], [ undef, %entry ]		; <i128> [#uses=0]
+	ret %struct.__block_descriptor undef
+}
+
+define i128 @test(i128 %arg) nounwind {
+	%A = shl i128 1, 92
+	%B = sub i128 0, %A
+	%C = mul i128 %arg, %B
+	ret i128 %C  ;; should codegen to neg(shift)
+}